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Finding the Fourth Proportional to 7,167.52, 10,739.04 and 5,606.92

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Solution

The fourth proportional to 7,167.52, 10,739.04 and 5,606.92 is: 8,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.52 : 10,739.04 = 5,606.92 : x
  2. Step 2: Convert to fraction form
    7,167.52/10,739.04 = 5,606.92/x
  3. Step 3: Cross multiply
    7,167.52x = 10,739.04 × 5,606.92
  4. Step 4: Simplify right side
    7,167.52x = 60,212,938.16
  5. Step 5: Solve for x
    x = 60,212,938.16/7,167.52
  6. Step 6: Final answer
    x = 8,400.81

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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.