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Finding the Fourth Proportional to 10,356.98, 15,549.03 and 6,147.92

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Solution

The fourth proportional to 10,356.98, 15,549.03 and 6,147.92 is: 9,229.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.98 : 15,549.03 = 6,147.92 : x
  2. Step 2: Convert to fraction form
    10,356.98/15,549.03 = 6,147.92/x
  3. Step 3: Cross multiply
    10,356.98x = 15,549.03 × 6,147.92
  4. Step 4: Simplify right side
    10,356.98x = 95,594,138.28
  5. Step 5: Solve for x
    x = 95,594,138.28/10,356.98
  6. Step 6: Final answer
    x = 9,229.92

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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.