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Finding the Fourth Proportional to 64,956.52, 97,428.42 and 44,031

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Solution

The fourth proportional to 64,956.52, 97,428.42 and 44,031 is: 66,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,956.52 : 97,428.42 = 44,031 : x
  2. Step 2: Convert to fraction form
    64,956.52/97,428.42 = 44,031/x
  3. Step 3: Cross multiply
    64,956.52x = 97,428.42 × 44,031
  4. Step 4: Simplify right side
    64,956.52x = 4,289,870,761.02
  5. Step 5: Solve for x
    x = 4,289,870,761.02/64,956.52
  6. Step 6: Final answer
    x = 66,042.19

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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.