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Finding the Fourth Proportional to 71,411.52, 98,536.32 and 44,549.76

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Solution

The fourth proportional to 71,411.52, 98,536.32 and 44,549.76 is: 61,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,411.52 : 98,536.32 = 44,549.76 : x
  2. Step 2: Convert to fraction form
    71,411.52/98,536.32 = 44,549.76/x
  3. Step 3: Cross multiply
    71,411.52x = 98,536.32 × 44,549.76
  4. Step 4: Simplify right side
    71,411.52x = 4,389,769,407.28
  5. Step 5: Solve for x
    x = 4,389,769,407.28/71,411.52
  6. Step 6: Final answer
    x = 61,471.45

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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.