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Finding the Fourth Proportional to 5,248.16, 7,865.52 and 2,468.68

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Solution

The fourth proportional to 5,248.16, 7,865.52 and 2,468.68 is: 3,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.16 : 7,865.52 = 2,468.68 : x
  2. Step 2: Convert to fraction form
    5,248.16/7,865.52 = 2,468.68/x
  3. Step 3: Cross multiply
    5,248.16x = 7,865.52 × 2,468.68
  4. Step 4: Simplify right side
    5,248.16x = 19,417,451.91
  5. Step 5: Solve for x
    x = 19,417,451.91/5,248.16
  6. Step 6: Final answer
    x = 3,699.86

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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.