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Finding the Fourth Proportional to 43,981.86, 65,972.85 and 10,701.69

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Solution

The fourth proportional to 43,981.86, 65,972.85 and 10,701.69 is: 16,052.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,981.86 : 65,972.85 = 10,701.69 : x
  2. Step 2: Convert to fraction form
    43,981.86/65,972.85 = 10,701.69/x
  3. Step 3: Cross multiply
    43,981.86x = 65,972.85 × 10,701.69
  4. Step 4: Simplify right side
    43,981.86x = 706,020,989.12
  5. Step 5: Solve for x
    x = 706,020,989.12/43,981.86
  6. Step 6: Final answer
    x = 16,052.55

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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.