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Finding the Fourth Proportional to 27,079.61, 40,618.71 and 7,357.65

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Solution

The fourth proportional to 27,079.61, 40,618.71 and 7,357.65 is: 11,036.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.61 : 40,618.71 = 7,357.65 : x
  2. Step 2: Convert to fraction form
    27,079.61/40,618.71 = 7,357.65/x
  3. Step 3: Cross multiply
    27,079.61x = 40,618.71 × 7,357.65
  4. Step 4: Simplify right side
    27,079.61x = 298,858,251.63
  5. Step 5: Solve for x
    x = 298,858,251.63/27,079.61
  6. Step 6: Final answer
    x = 11,036.29

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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.