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Finding the Fourth Proportional to 8,660.24, 13,001.54 and 7,435.52

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Solution

The fourth proportional to 8,660.24, 13,001.54 and 7,435.52 is: 11,162.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.24 : 13,001.54 = 7,435.52 : x
  2. Step 2: Convert to fraction form
    8,660.24/13,001.54 = 7,435.52/x
  3. Step 3: Cross multiply
    8,660.24x = 13,001.54 × 7,435.52
  4. Step 4: Simplify right side
    8,660.24x = 96,673,210.70
  5. Step 5: Solve for x
    x = 96,673,210.70/8,660.24
  6. Step 6: Final answer
    x = 11,162.88

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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.