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Finding the Fourth Proportional to 17,691.52, 26,526.08 and 5,840.96

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Solution

The fourth proportional to 17,691.52, 26,526.08 and 5,840.96 is: 8,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.52 : 26,526.08 = 5,840.96 : x
  2. Step 2: Convert to fraction form
    17,691.52/26,526.08 = 5,840.96/x
  3. Step 3: Cross multiply
    17,691.52x = 26,526.08 × 5,840.96
  4. Step 4: Simplify right side
    17,691.52x = 154,937,772.24
  5. Step 5: Solve for x
    x = 154,937,772.24/17,691.52
  6. Step 6: Final answer
    x = 8,757.74

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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.