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Finding the Fourth Proportional to 19,337.80, 29,006.70 and 14,672.20

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Solution

The fourth proportional to 19,337.80, 29,006.70 and 14,672.20 is: 22,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.80 : 29,006.70 = 14,672.20 : x
  2. Step 2: Convert to fraction form
    19,337.80/29,006.70 = 14,672.20/x
  3. Step 3: Cross multiply
    19,337.80x = 29,006.70 × 14,672.20
  4. Step 4: Simplify right side
    19,337.80x = 425,592,103.74
  5. Step 5: Solve for x
    x = 425,592,103.74/19,337.80
  6. Step 6: Final answer
    x = 22,008.30

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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.