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Finding the Fourth Proportional to 67,081.40, 92,570.48 and 36,866.72

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Solution

The fourth proportional to 67,081.40, 92,570.48 and 36,866.72 is: 50,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,081.40 : 92,570.48 = 36,866.72 : x
  2. Step 2: Convert to fraction form
    67,081.40/92,570.48 = 36,866.72/x
  3. Step 3: Cross multiply
    67,081.40x = 92,570.48 × 36,866.72
  4. Step 4: Simplify right side
    67,081.40x = 3,412,769,966.43
  5. Step 5: Solve for x
    x = 3,412,769,966.43/67,081.40
  6. Step 6: Final answer
    x = 50,875.06

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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.