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Finding the Fourth Proportional to 55,550.59, 76,659.51 and 30,056.92

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Solution

The fourth proportional to 55,550.59, 76,659.51 and 30,056.92 is: 41,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,550.59 : 76,659.51 = 30,056.92 : x
  2. Step 2: Convert to fraction form
    55,550.59/76,659.51 = 30,056.92/x
  3. Step 3: Cross multiply
    55,550.59x = 76,659.51 × 30,056.92
  4. Step 4: Simplify right side
    55,550.59x = 2,304,148,759.31
  5. Step 5: Solve for x
    x = 2,304,148,759.31/55,550.59
  6. Step 6: Final answer
    x = 41,478.39

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Half scale
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Double scale
Find fourth proportional to 55,551.59, 76,660.89 and 30,057.92
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.