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Finding the Fourth Proportional to 16,445.70, 24,658.68 and 7,549.90

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Solution

The fourth proportional to 16,445.70, 24,658.68 and 7,549.90 is: 11,320.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,445.70 : 24,658.68 = 7,549.90 : x
  2. Step 2: Convert to fraction form
    16,445.70/24,658.68 = 7,549.90/x
  3. Step 3: Cross multiply
    16,445.70x = 24,658.68 × 7,549.90
  4. Step 4: Simplify right side
    16,445.70x = 186,170,568.13
  5. Step 5: Solve for x
    x = 186,170,568.13/16,445.70
  6. Step 6: Final answer
    x = 11,320.32

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1.5x scale

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.