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Finding the Fourth Proportional to 60,415.70, 83,377.65 and 36,543.38

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Solution

The fourth proportional to 60,415.70, 83,377.65 and 36,543.38 is: 50,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,415.70 : 83,377.65 = 36,543.38 : x
  2. Step 2: Convert to fraction form
    60,415.70/83,377.65 = 36,543.38/x
  3. Step 3: Cross multiply
    60,415.70x = 83,377.65 × 36,543.38
  4. Step 4: Simplify right side
    60,415.70x = 3,046,901,147.46
  5. Step 5: Solve for x
    x = 3,046,901,147.46/60,415.70
  6. Step 6: Final answer
    x = 50,432.27

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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.