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Finding the Fourth Proportional to 18,397.59, 27,590.88 and 6,549.24

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Solution

The fourth proportional to 18,397.59, 27,590.88 and 6,549.24 is: 9,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.59 : 27,590.88 = 6,549.24 : x
  2. Step 2: Convert to fraction form
    18,397.59/27,590.88 = 6,549.24/x
  3. Step 3: Cross multiply
    18,397.59x = 27,590.88 × 6,549.24
  4. Step 4: Simplify right side
    18,397.59x = 180,699,294.93
  5. Step 5: Solve for x
    x = 180,699,294.93/18,397.59
  6. Step 6: Final answer
    x = 9,821.90

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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.