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Finding the Fourth Proportional to 29,395.98, 40,565.09 and 16,648.88

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Solution

The fourth proportional to 29,395.98, 40,565.09 and 16,648.88 is: 22,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,395.98 : 40,565.09 = 16,648.88 : x
  2. Step 2: Convert to fraction form
    29,395.98/40,565.09 = 16,648.88/x
  3. Step 3: Cross multiply
    29,395.98x = 40,565.09 × 16,648.88
  4. Step 4: Simplify right side
    29,395.98x = 675,363,154.40
  5. Step 5: Solve for x
    x = 675,363,154.40/29,395.98
  6. Step 6: Final answer
    x = 22,974.68

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1.5x scale

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.