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Finding the Fourth Proportional to 57,981.88, 80,015.29 and 32,488.29

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Solution

The fourth proportional to 57,981.88, 80,015.29 and 32,488.29 is: 44,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,981.88 : 80,015.29 = 32,488.29 : x
  2. Step 2: Convert to fraction form
    57,981.88/80,015.29 = 32,488.29/x
  3. Step 3: Cross multiply
    57,981.88x = 80,015.29 × 32,488.29
  4. Step 4: Simplify right side
    57,981.88x = 2,599,559,864.73
  5. Step 5: Solve for x
    x = 2,599,559,864.73/57,981.88
  6. Step 6: Final answer
    x = 44,834.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.