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Finding the Fourth Proportional to 64,319.31, 88,761.87 and 36,024.93

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Solution

The fourth proportional to 64,319.31, 88,761.87 and 36,024.93 is: 49,715.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,319.31 : 88,761.87 = 36,024.93 : x
  2. Step 2: Convert to fraction form
    64,319.31/88,761.87 = 36,024.93/x
  3. Step 3: Cross multiply
    64,319.31x = 88,761.87 × 36,024.93
  4. Step 4: Simplify right side
    64,319.31x = 3,197,640,153.42
  5. Step 5: Solve for x
    x = 3,197,640,153.42/64,319.31
  6. Step 6: Final answer
    x = 49,715.09

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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.