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Finding the Fourth Proportional to 60,390.87, 83,347.09 and 36,517.72

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Solution

The fourth proportional to 60,390.87, 83,347.09 and 36,517.72 is: 50,399.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,390.87 : 83,347.09 = 36,517.72 : x
  2. Step 2: Convert to fraction form
    60,390.87/83,347.09 = 36,517.72/x
  3. Step 3: Cross multiply
    60,390.87x = 83,347.09 × 36,517.72
  4. Step 4: Simplify right side
    60,390.87x = 3,043,645,578.36
  5. Step 5: Solve for x
    x = 3,043,645,578.36/60,390.87
  6. Step 6: Final answer
    x = 50,399.10

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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.