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Finding the Fourth Proportional to 67,012.39, 101,000.27 and 57,764.03

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Solution

The fourth proportional to 67,012.39, 101,000.27 and 57,764.03 is: 87,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,012.39 : 101,000.27 = 57,764.03 : x
  2. Step 2: Convert to fraction form
    67,012.39/101,000.27 = 57,764.03/x
  3. Step 3: Cross multiply
    67,012.39x = 101,000.27 × 57,764.03
  4. Step 4: Simplify right side
    67,012.39x = 5,834,182,626.29
  5. Step 5: Solve for x
    x = 5,834,182,626.29/67,012.39
  6. Step 6: Final answer
    x = 87,061.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.