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Finding the Fourth Proportional to 5,351.52, 8,009.28 and 5,147.04

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Solution

The fourth proportional to 5,351.52, 8,009.28 and 5,147.04 is: 7,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.52 : 8,009.28 = 5,147.04 : x
  2. Step 2: Convert to fraction form
    5,351.52/8,009.28 = 5,147.04/x
  3. Step 3: Cross multiply
    5,351.52x = 8,009.28 × 5,147.04
  4. Step 4: Simplify right side
    5,351.52x = 41,224,084.53
  5. Step 5: Solve for x
    x = 41,224,084.53/5,351.52
  6. Step 6: Final answer
    x = 7,703.25

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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.