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Finding the Fourth Proportional to 67,305.90, 92,881.71 and 37,091.46

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Solution

The fourth proportional to 67,305.90, 92,881.71 and 37,091.46 is: 51,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,305.90 : 92,881.71 = 37,091.46 : x
  2. Step 2: Convert to fraction form
    67,305.90/92,881.71 = 37,091.46/x
  3. Step 3: Cross multiply
    67,305.90x = 92,881.71 × 37,091.46
  4. Step 4: Simplify right side
    67,305.90x = 3,445,118,231.20
  5. Step 5: Solve for x
    x = 3,445,118,231.20/67,305.90
  6. Step 6: Final answer
    x = 51,185.98

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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.