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Finding the Fourth Proportional to 60,711.04, 83,801.28 and 35,560

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Solution

The fourth proportional to 60,711.04, 83,801.28 and 35,560 is: 49,084.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,711.04 : 83,801.28 = 35,560 : x
  2. Step 2: Convert to fraction form
    60,711.04/83,801.28 = 35,560/x
  3. Step 3: Cross multiply
    60,711.04x = 83,801.28 × 35,560
  4. Step 4: Simplify right side
    60,711.04x = 2,979,973,516.80
  5. Step 5: Solve for x
    x = 2,979,973,516.80/60,711.04
  6. Step 6: Final answer
    x = 49,084.54

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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.