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Finding the Fourth Proportional to 6,349.13, 8,754.15 and 5,463.40

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Solution

The fourth proportional to 6,349.13, 8,754.15 and 5,463.40 is: 7,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349.13 : 8,754.15 = 5,463.40 : x
  2. Step 2: Convert to fraction form
    6,349.13/8,754.15 = 5,463.40/x
  3. Step 3: Cross multiply
    6,349.13x = 8,754.15 × 5,463.40
  4. Step 4: Simplify right side
    6,349.13x = 47,827,422.76
  5. Step 5: Solve for x
    x = 47,827,422.76/6,349.13
  6. Step 6: Final answer
    x = 7,532.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.