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Finding the Fourth Proportional to 54,196.65, 74,758.64 and 35,799.87

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Solution

The fourth proportional to 54,196.65, 74,758.64 and 35,799.87 is: 49,382.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,196.65 : 74,758.64 = 35,799.87 : x
  2. Step 2: Convert to fraction form
    54,196.65/74,758.64 = 35,799.87/x
  3. Step 3: Cross multiply
    54,196.65x = 74,758.64 × 35,799.87
  4. Step 4: Simplify right side
    54,196.65x = 2,676,349,414.38
  5. Step 5: Solve for x
    x = 2,676,349,414.38/54,196.65
  6. Step 6: Final answer
    x = 49,382.19

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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.