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Finding the Fourth Proportional to 5,357.52, 8,018.28 and 5,153.04

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Solution

The fourth proportional to 5,357.52, 8,018.28 and 5,153.04 is: 7,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.52 : 8,018.28 = 5,153.04 : x
  2. Step 2: Convert to fraction form
    5,357.52/8,018.28 = 5,153.04/x
  3. Step 3: Cross multiply
    5,357.52x = 8,018.28 × 5,153.04
  4. Step 4: Simplify right side
    5,357.52x = 41,318,517.57
  5. Step 5: Solve for x
    x = 41,318,517.57/5,357.52
  6. Step 6: Final answer
    x = 7,712.25

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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.