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Finding the Fourth Proportional to 24,475.80, 36,702.90 and 9,679.80

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Solution

The fourth proportional to 24,475.80, 36,702.90 and 9,679.80 is: 14,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,475.80 : 36,702.90 = 9,679.80 : x
  2. Step 2: Convert to fraction form
    24,475.80/36,702.90 = 9,679.80/x
  3. Step 3: Cross multiply
    24,475.80x = 36,702.90 × 9,679.80
  4. Step 4: Simplify right side
    24,475.80x = 355,276,731.42
  5. Step 5: Solve for x
    x = 355,276,731.42/24,475.80
  6. Step 6: Final answer
    x = 14,515.43

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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.