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Finding the Fourth Proportional to 8,658.24, 12,988.32 and 2,502.24

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Solution

The fourth proportional to 8,658.24, 12,988.32 and 2,502.24 is: 3,753.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,658.24 : 12,988.32 = 2,502.24 : x
  2. Step 2: Convert to fraction form
    8,658.24/12,988.32 = 2,502.24/x
  3. Step 3: Cross multiply
    8,658.24x = 12,988.32 × 2,502.24
  4. Step 4: Simplify right side
    8,658.24x = 32,499,893.84
  5. Step 5: Solve for x
    x = 32,499,893.84/8,658.24
  6. Step 6: Final answer
    x = 3,753.64

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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.