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Finding the Fourth Proportional to 12,617.48, 18,909.04 and 5,952.94

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Solution

The fourth proportional to 12,617.48, 18,909.04 and 5,952.94 is: 8,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617.48 : 18,909.04 = 5,952.94 : x
  2. Step 2: Convert to fraction form
    12,617.48/18,909.04 = 5,952.94/x
  3. Step 3: Cross multiply
    12,617.48x = 18,909.04 × 5,952.94
  4. Step 4: Simplify right side
    12,617.48x = 112,564,380.58
  5. Step 5: Solve for x
    x = 112,564,380.58/12,617.48
  6. Step 6: Final answer
    x = 8,921.30

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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.