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Finding the Fourth Proportional to 8,658.24, 12,998.52 and 7,433.52

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Solution

The fourth proportional to 8,658.24, 12,998.52 and 7,433.52 is: 11,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658.24 : 12,998.52 = 7,433.52 : x
  2. Step 2: Convert to fraction form
    8,658.24/12,998.52 = 7,433.52/x
  3. Step 3: Cross multiply
    8,658.24x = 12,998.52 × 7,433.52
  4. Step 4: Simplify right side
    8,658.24x = 96,624,758.39
  5. Step 5: Solve for x
    x = 96,624,758.39/8,658.24
  6. Step 6: Final answer
    x = 11,159.86

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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.