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Finding the Fourth Proportional to 66,832.29, 100,248.57 and 27,382.32

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Solution

The fourth proportional to 66,832.29, 100,248.57 and 27,382.32 is: 41,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,832.29 : 100,248.57 = 27,382.32 : x
  2. Step 2: Convert to fraction form
    66,832.29/100,248.57 = 27,382.32/x
  3. Step 3: Cross multiply
    66,832.29x = 100,248.57 × 27,382.32
  4. Step 4: Simplify right side
    66,832.29x = 2,745,038,423.28
  5. Step 5: Solve for x
    x = 2,745,038,423.28/66,832.29
  6. Step 6: Final answer
    x = 41,073.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.