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Finding the Fourth Proportional to 63,166.40, 87,171.36 and 38,024

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Solution

The fourth proportional to 63,166.40, 87,171.36 and 38,024 is: 52,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,166.40 : 87,171.36 = 38,024 : x
  2. Step 2: Convert to fraction form
    63,166.40/87,171.36 = 38,024/x
  3. Step 3: Cross multiply
    63,166.40x = 87,171.36 × 38,024
  4. Step 4: Simplify right side
    63,166.40x = 3,314,603,792.64
  5. Step 5: Solve for x
    x = 3,314,603,792.64/63,166.40
  6. Step 6: Final answer
    x = 52,474.16

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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.