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Finding the Fourth Proportional to 43,919.04, 65,892.24 and 14,337.12

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Solution

The fourth proportional to 43,919.04, 65,892.24 and 14,337.12 is: 21,510.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,919.04 : 65,892.24 = 14,337.12 : x
  2. Step 2: Convert to fraction form
    43,919.04/65,892.24 = 14,337.12/x
  3. Step 3: Cross multiply
    43,919.04x = 65,892.24 × 14,337.12
  4. Step 4: Simplify right side
    43,919.04x = 944,704,951.95
  5. Step 5: Solve for x
    x = 944,704,951.95/43,919.04
  6. Step 6: Final answer
    x = 21,510.15

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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.