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Finding the Fourth Proportional to 8,023.60, 12,057.54 and 7,007.92

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Solution

The fourth proportional to 8,023.60, 12,057.54 and 7,007.92 is: 10,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,023.60 : 12,057.54 = 7,007.92 : x
  2. Step 2: Convert to fraction form
    8,023.60/12,057.54 = 7,007.92/x
  3. Step 3: Cross multiply
    8,023.60x = 12,057.54 × 7,007.92
  4. Step 4: Simplify right side
    8,023.60x = 84,498,275.72
  5. Step 5: Solve for x
    x = 84,498,275.72/8,023.60
  6. Step 6: Final answer
    x = 10,531.22

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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.