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Finding the Fourth Proportional to 23,590.80, 32,553.80 and 13,519.12

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Solution

The fourth proportional to 23,590.80, 32,553.80 and 13,519.12 is: 18,655.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,590.80 : 32,553.80 = 13,519.12 : x
  2. Step 2: Convert to fraction form
    23,590.80/32,553.80 = 13,519.12/x
  3. Step 3: Cross multiply
    23,590.80x = 32,553.80 × 13,519.12
  4. Step 4: Simplify right side
    23,590.80x = 440,098,728.66
  5. Step 5: Solve for x
    x = 440,098,728.66/23,590.80
  6. Step 6: Final answer
    x = 18,655.52

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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.