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Finding the Fourth Proportional to 67,440.57, 92,995.07 and 45,944.25

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Solution

The fourth proportional to 67,440.57, 92,995.07 and 45,944.25 is: 63,353.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,440.57 : 92,995.07 = 45,944.25 : x
  2. Step 2: Convert to fraction form
    67,440.57/92,995.07 = 45,944.25/x
  3. Step 3: Cross multiply
    67,440.57x = 92,995.07 × 45,944.25
  4. Step 4: Simplify right side
    67,440.57x = 4,272,588,515.13
  5. Step 5: Solve for x
    x = 4,272,588,515.13/67,440.57
  6. Step 6: Final answer
    x = 63,353.39

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Similar ratio
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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.