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Finding the Fourth Proportional to 29,967.52, 44,934 and 12,449.92

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Solution

The fourth proportional to 29,967.52, 44,934 and 12,449.92 is: 18,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,967.52 : 44,934 = 12,449.92 : x
  2. Step 2: Convert to fraction form
    29,967.52/44,934 = 12,449.92/x
  3. Step 3: Cross multiply
    29,967.52x = 44,934 × 12,449.92
  4. Step 4: Simplify right side
    29,967.52x = 559,424,705.28
  5. Step 5: Solve for x
    x = 559,424,705.28/29,967.52
  6. Step 6: Final answer
    x = 18,667.70

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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.