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Finding the Fourth Proportional to 6,515.52, 9,773.28 and 5,358.84

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Solution

The fourth proportional to 6,515.52, 9,773.28 and 5,358.84 is: 8,038.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.52 : 9,773.28 = 5,358.84 : x
  2. Step 2: Convert to fraction form
    6,515.52/9,773.28 = 5,358.84/x
  3. Step 3: Cross multiply
    6,515.52x = 9,773.28 × 5,358.84
  4. Step 4: Simplify right side
    6,515.52x = 52,373,443.80
  5. Step 5: Solve for x
    x = 52,373,443.80/6,515.52
  6. Step 6: Final answer
    x = 8,038.26

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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.