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Finding the Fourth Proportional to 66,691.08, 92,029.92 and 36,470.40

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Solution

The fourth proportional to 66,691.08, 92,029.92 and 36,470.40 is: 50,327.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,691.08 : 92,029.92 = 36,470.40 : x
  2. Step 2: Convert to fraction form
    66,691.08/92,029.92 = 36,470.40/x
  3. Step 3: Cross multiply
    66,691.08x = 92,029.92 × 36,470.40
  4. Step 4: Simplify right side
    66,691.08x = 3,356,367,994.37
  5. Step 5: Solve for x
    x = 3,356,367,994.37/66,691.08
  6. Step 6: Final answer
    x = 50,327.09

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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.