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Finding the Fourth Proportional to 71,304.76, 98,401.73 and 39,038.83

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Solution

The fourth proportional to 71,304.76, 98,401.73 and 39,038.83 is: 53,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,304.76 : 98,401.73 = 39,038.83 : x
  2. Step 2: Convert to fraction form
    71,304.76/98,401.73 = 39,038.83/x
  3. Step 3: Cross multiply
    71,304.76x = 98,401.73 × 39,038.83
  4. Step 4: Simplify right side
    71,304.76x = 3,841,488,606.38
  5. Step 5: Solve for x
    x = 3,841,488,606.38/71,304.76
  6. Step 6: Final answer
    x = 53,874.23

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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.