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Finding the Fourth Proportional to 67,392.31, 92,999.89 and 37,177.66

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Solution

The fourth proportional to 67,392.31, 92,999.89 and 37,177.66 is: 51,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,392.31 : 92,999.89 = 37,177.66 : x
  2. Step 2: Convert to fraction form
    67,392.31/92,999.89 = 37,177.66/x
  3. Step 3: Cross multiply
    67,392.31x = 92,999.89 × 37,177.66
  4. Step 4: Simplify right side
    67,392.31x = 3,457,518,290.46
  5. Step 5: Solve for x
    x = 3,457,518,290.46/67,392.31
  6. Step 6: Final answer
    x = 51,304.34

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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.