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Finding the Fourth Proportional to 49,668.19, 68,542.11 and 27,312.19

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Solution

The fourth proportional to 49,668.19, 68,542.11 and 27,312.19 is: 37,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,668.19 : 68,542.11 = 27,312.19 : x
  2. Step 2: Convert to fraction form
    49,668.19/68,542.11 = 27,312.19/x
  3. Step 3: Cross multiply
    49,668.19x = 68,542.11 × 27,312.19
  4. Step 4: Simplify right side
    49,668.19x = 1,872,034,959.97
  5. Step 5: Solve for x
    x = 1,872,034,959.97/49,668.19
  6. Step 6: Final answer
    x = 37,690.82

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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.