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Finding the Fourth Proportional to 67,480.75, 93,123.44 and 37,672.75

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Solution

The fourth proportional to 67,480.75, 93,123.44 and 37,672.75 is: 51,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,480.75 : 93,123.44 = 37,672.75 : x
  2. Step 2: Convert to fraction form
    67,480.75/93,123.44 = 37,672.75/x
  3. Step 3: Cross multiply
    67,480.75x = 93,123.44 × 37,672.75
  4. Step 4: Simplify right side
    67,480.75x = 3,508,216,074.26
  5. Step 5: Solve for x
    x = 3,508,216,074.26/67,480.75
  6. Step 6: Final answer
    x = 51,988.40

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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.