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Finding the Fourth Proportional to 17,607.52, 26,411.28 and 8,247.52

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Solution

The fourth proportional to 17,607.52, 26,411.28 and 8,247.52 is: 12,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,607.52 : 26,411.28 = 8,247.52 : x
  2. Step 2: Convert to fraction form
    17,607.52/26,411.28 = 8,247.52/x
  3. Step 3: Cross multiply
    17,607.52x = 26,411.28 × 8,247.52
  4. Step 4: Simplify right side
    17,607.52x = 217,827,560.03
  5. Step 5: Solve for x
    x = 217,827,560.03/17,607.52
  6. Step 6: Final answer
    x = 12,371.28

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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.