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Finding the Fourth Proportional to 55,489.84, 76,557.08 and 33,989.74

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Solution

The fourth proportional to 55,489.84, 76,557.08 and 33,989.74 is: 46,894.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,489.84 : 76,557.08 = 33,989.74 : x
  2. Step 2: Convert to fraction form
    55,489.84/76,557.08 = 33,989.74/x
  3. Step 3: Cross multiply
    55,489.84x = 76,557.08 × 33,989.74
  4. Step 4: Simplify right side
    55,489.84x = 2,602,155,244.36
  5. Step 5: Solve for x
    x = 2,602,155,244.36/55,489.84
  6. Step 6: Final answer
    x = 46,894.26

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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.