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Finding the Fourth Proportional to 39,610, 59,440.92 and 14,986

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Solution

The fourth proportional to 39,610, 59,440.92 and 14,986 is: 22,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,610 : 59,440.92 = 14,986 : x
  2. Step 2: Convert to fraction form
    39,610/59,440.92 = 14,986/x
  3. Step 3: Cross multiply
    39,610x = 59,440.92 × 14,986
  4. Step 4: Simplify right side
    39,610x = 890,781,627.12
  5. Step 5: Solve for x
    x = 890,781,627.12/39,610
  6. Step 6: Final answer
    x = 22,488.81

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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.