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Finding the Fourth Proportional to 57,800.24, 79,764.04 and 31,304.24

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Solution

The fourth proportional to 57,800.24, 79,764.04 and 31,304.24 is: 43,199.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,800.24 : 79,764.04 = 31,304.24 : x
  2. Step 2: Convert to fraction form
    57,800.24/79,764.04 = 31,304.24/x
  3. Step 3: Cross multiply
    57,800.24x = 79,764.04 × 31,304.24
  4. Step 4: Simplify right side
    57,800.24x = 2,496,952,651.53
  5. Step 5: Solve for x
    x = 2,496,952,651.53/57,800.24
  6. Step 6: Final answer
    x = 43,199.69

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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.