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Finding the Fourth Proportional to 61,439.94, 84,763.95 and 35,938.17

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Solution

The fourth proportional to 61,439.94, 84,763.95 and 35,938.17 is: 49,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,439.94 : 84,763.95 = 35,938.17 : x
  2. Step 2: Convert to fraction form
    61,439.94/84,763.95 = 35,938.17/x
  3. Step 3: Cross multiply
    61,439.94x = 84,763.95 × 35,938.17
  4. Step 4: Simplify right side
    61,439.94x = 3,046,261,244.97
  5. Step 5: Solve for x
    x = 3,046,261,244.97/61,439.94
  6. Step 6: Final answer
    x = 49,581.12

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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.