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Finding the Fourth Proportional to 60,311.71, 83,228.55 and 34,817.21

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Solution

The fourth proportional to 60,311.71, 83,228.55 and 34,817.21 is: 48,046.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,311.71 : 83,228.55 = 34,817.21 : x
  2. Step 2: Convert to fraction form
    60,311.71/83,228.55 = 34,817.21/x
  3. Step 3: Cross multiply
    60,311.71x = 83,228.55 × 34,817.21
  4. Step 4: Simplify right side
    60,311.71x = 2,897,785,521.19
  5. Step 5: Solve for x
    x = 2,897,785,521.19/60,311.71
  6. Step 6: Final answer
    x = 48,046.82

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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.