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Finding the Fourth Proportional to 9,108.59, 13,663.08 and 4,174.88

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Solution

The fourth proportional to 9,108.59, 13,663.08 and 4,174.88 is: 6,262.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.59 : 13,663.08 = 4,174.88 : x
  2. Step 2: Convert to fraction form
    9,108.59/13,663.08 = 4,174.88/x
  3. Step 3: Cross multiply
    9,108.59x = 13,663.08 × 4,174.88
  4. Step 4: Simplify right side
    9,108.59x = 57,041,651.12
  5. Step 5: Solve for x
    x = 57,041,651.12/9,108.59
  6. Step 6: Final answer
    x = 6,262.41

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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.