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Finding the Fourth Proportional to 39,474.63, 59,211.86 and 9,892.40

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Solution

The fourth proportional to 39,474.63, 59,211.86 and 9,892.40 is: 14,838.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474.63 : 59,211.86 = 9,892.40 : x
  2. Step 2: Convert to fraction form
    39,474.63/59,211.86 = 9,892.40/x
  3. Step 3: Cross multiply
    39,474.63x = 59,211.86 × 9,892.40
  4. Step 4: Simplify right side
    39,474.63x = 585,747,058.34
  5. Step 5: Solve for x
    x = 585,747,058.34/39,474.63
  6. Step 6: Final answer
    x = 14,838.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.