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Finding the Fourth Proportional to 20,754.52, 31,132.02 and 6,903.52

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Solution

The fourth proportional to 20,754.52, 31,132.02 and 6,903.52 is: 10,355.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754.52 : 31,132.02 = 6,903.52 : x
  2. Step 2: Convert to fraction form
    20,754.52/31,132.02 = 6,903.52/x
  3. Step 3: Cross multiply
    20,754.52x = 31,132.02 × 6,903.52
  4. Step 4: Simplify right side
    20,754.52x = 214,920,522.71
  5. Step 5: Solve for x
    x = 214,920,522.71/20,754.52
  6. Step 6: Final answer
    x = 10,355.36

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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.