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Finding the Fourth Proportional to 55,604.40, 76,752.79 and 33,800.60

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Solution

The fourth proportional to 55,604.40, 76,752.79 and 33,800.60 is: 46,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604.40 : 76,752.79 = 33,800.60 : x
  2. Step 2: Convert to fraction form
    55,604.40/76,752.79 = 33,800.60/x
  3. Step 3: Cross multiply
    55,604.40x = 76,752.79 × 33,800.60
  4. Step 4: Simplify right side
    55,604.40x = 2,594,290,353.67
  5. Step 5: Solve for x
    x = 2,594,290,353.67/55,604.40
  6. Step 6: Final answer
    x = 46,656.21

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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.