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Finding the Fourth Proportional to 17,599.12, 26,398.72 and 5,913.28

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Solution

The fourth proportional to 17,599.12, 26,398.72 and 5,913.28 is: 8,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,599.12 : 26,398.72 = 5,913.28 : x
  2. Step 2: Convert to fraction form
    17,599.12/26,398.72 = 5,913.28/x
  3. Step 3: Cross multiply
    17,599.12x = 26,398.72 × 5,913.28
  4. Step 4: Simplify right side
    17,599.12x = 156,103,023.00
  5. Step 5: Solve for x
    x = 156,103,023.00/17,599.12
  6. Step 6: Final answer
    x = 8,869.93

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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.