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Finding the Fourth Proportional to 10,452.15, 15,755.06 and 9,849.87

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Solution

The fourth proportional to 10,452.15, 15,755.06 and 9,849.87 is: 14,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452.15 : 15,755.06 = 9,849.87 : x
  2. Step 2: Convert to fraction form
    10,452.15/15,755.06 = 9,849.87/x
  3. Step 3: Cross multiply
    10,452.15x = 15,755.06 × 9,849.87
  4. Step 4: Simplify right side
    10,452.15x = 155,185,317.47
  5. Step 5: Solve for x
    x = 155,185,317.47/10,452.15
  6. Step 6: Final answer
    x = 14,847.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.