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Finding the Fourth Proportional to 7,064.52, 10,589.04 and 5,125.20

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Solution

The fourth proportional to 7,064.52, 10,589.04 and 5,125.20 is: 7,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.52 : 10,589.04 = 5,125.20 : x
  2. Step 2: Convert to fraction form
    7,064.52/10,589.04 = 5,125.20/x
  3. Step 3: Cross multiply
    7,064.52x = 10,589.04 × 5,125.20
  4. Step 4: Simplify right side
    7,064.52x = 54,270,947.81
  5. Step 5: Solve for x
    x = 54,270,947.81/7,064.52
  6. Step 6: Final answer
    x = 7,682.18

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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.