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Finding the Fourth Proportional to 60,205.71, 83,086.86 and 36,331.98

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Solution

The fourth proportional to 60,205.71, 83,086.86 and 36,331.98 is: 50,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,205.71 : 83,086.86 = 36,331.98 : x
  2. Step 2: Convert to fraction form
    60,205.71/83,086.86 = 36,331.98/x
  3. Step 3: Cross multiply
    60,205.71x = 83,086.86 × 36,331.98
  4. Step 4: Simplify right side
    60,205.71x = 3,018,710,135.78
  5. Step 5: Solve for x
    x = 3,018,710,135.78/60,205.71
  6. Step 6: Final answer
    x = 50,139.93

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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.