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Finding the Fourth Proportional to 8,373.80, 12,549.84 and 3,437.60

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Solution

The fourth proportional to 8,373.80, 12,549.84 and 3,437.60 is: 5,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.80 : 12,549.84 = 3,437.60 : x
  2. Step 2: Convert to fraction form
    8,373.80/12,549.84 = 3,437.60/x
  3. Step 3: Cross multiply
    8,373.80x = 12,549.84 × 3,437.60
  4. Step 4: Simplify right side
    8,373.80x = 43,141,329.98
  5. Step 5: Solve for x
    x = 43,141,329.98/8,373.80
  6. Step 6: Final answer
    x = 5,151.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.