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Finding the Fourth Proportional to 67,298.80, 92,871.12 and 37,086.91

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Solution

The fourth proportional to 67,298.80, 92,871.12 and 37,086.91 is: 51,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,298.80 : 92,871.12 = 37,086.91 : x
  2. Step 2: Convert to fraction form
    67,298.80/92,871.12 = 37,086.91/x
  3. Step 3: Cross multiply
    67,298.80x = 92,871.12 × 37,086.91
  4. Step 4: Simplify right side
    67,298.80x = 3,444,302,869.04
  5. Step 5: Solve for x
    x = 3,444,302,869.04/67,298.80
  6. Step 6: Final answer
    x = 51,179.26

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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.