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Finding the Fourth Proportional to 57,473.70, 79,314.07 and 31,981.13

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Solution

The fourth proportional to 57,473.70, 79,314.07 and 31,981.13 is: 44,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,473.70 : 79,314.07 = 31,981.13 : x
  2. Step 2: Convert to fraction form
    57,473.70/79,314.07 = 31,981.13/x
  3. Step 3: Cross multiply
    57,473.70x = 79,314.07 × 31,981.13
  4. Step 4: Simplify right side
    57,473.70x = 2,536,553,464.37
  5. Step 5: Solve for x
    x = 2,536,553,464.37/57,473.70
  6. Step 6: Final answer
    x = 44,134.16

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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.