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Finding the Fourth Proportional to 67,347, 92,938.80 and 37,132.80

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Solution

The fourth proportional to 67,347, 92,938.80 and 37,132.80 is: 51,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,347 : 92,938.80 = 37,132.80 : x
  2. Step 2: Convert to fraction form
    67,347/92,938.80 = 37,132.80/x
  3. Step 3: Cross multiply
    67,347x = 92,938.80 × 37,132.80
  4. Step 4: Simplify right side
    67,347x = 3,451,077,872.64
  5. Step 5: Solve for x
    x = 3,451,077,872.64/67,347
  6. Step 6: Final answer
    x = 51,243.23

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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.