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Finding the Fourth Proportional to 7,061.92, 10,542.11 and 6,549.28

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Solution

The fourth proportional to 7,061.92, 10,542.11 and 6,549.28 is: 9,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,061.92 : 10,542.11 = 6,549.28 : x
  2. Step 2: Convert to fraction form
    7,061.92/10,542.11 = 6,549.28/x
  3. Step 3: Cross multiply
    7,061.92x = 10,542.11 × 6,549.28
  4. Step 4: Simplify right side
    7,061.92x = 69,043,230.18
  5. Step 5: Solve for x
    x = 69,043,230.18/7,061.92
  6. Step 6: Final answer
    x = 9,776.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.