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Finding the Fourth Proportional to 10,656.93, 15,972.61 and 7,532.25

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Solution

The fourth proportional to 10,656.93, 15,972.61 and 7,532.25 is: 11,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.93 : 15,972.61 = 7,532.25 : x
  2. Step 2: Convert to fraction form
    10,656.93/15,972.61 = 7,532.25/x
  3. Step 3: Cross multiply
    10,656.93x = 15,972.61 × 7,532.25
  4. Step 4: Simplify right side
    10,656.93x = 120,309,691.67
  5. Step 5: Solve for x
    x = 120,309,691.67/10,656.93
  6. Step 6: Final answer
    x = 11,289.34

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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.