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Finding the Fourth Proportional to 60,470.08, 83,419.68 and 52,072

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Solution

The fourth proportional to 60,470.08, 83,419.68 and 52,072 is: 71,834.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,470.08 : 83,419.68 = 52,072 : x
  2. Step 2: Convert to fraction form
    60,470.08/83,419.68 = 52,072/x
  3. Step 3: Cross multiply
    60,470.08x = 83,419.68 × 52,072
  4. Step 4: Simplify right side
    60,470.08x = 4,343,829,576.96
  5. Step 5: Solve for x
    x = 4,343,829,576.96/60,470.08
  6. Step 6: Final answer
    x = 71,834.36

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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.