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Finding the Fourth Proportional to 60,907.80, 83,729.67 and 52,378.68

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Solution

The fourth proportional to 60,907.80, 83,729.67 and 52,378.68 is: 72,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,907.80 : 83,729.67 = 52,378.68 : x
  2. Step 2: Convert to fraction form
    60,907.80/83,729.67 = 52,378.68/x
  3. Step 3: Cross multiply
    60,907.80x = 83,729.67 × 52,378.68
  4. Step 4: Simplify right side
    60,907.80x = 4,385,649,591.44
  5. Step 5: Solve for x
    x = 4,385,649,591.44/60,907.80
  6. Step 6: Final answer
    x = 72,004.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.