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Finding the Fourth Proportional to 19,332.91, 26,679.41 and 10,949.41

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Solution

The fourth proportional to 19,332.91, 26,679.41 and 10,949.41 is: 15,110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.91 : 26,679.41 = 10,949.41 : x
  2. Step 2: Convert to fraction form
    19,332.91/26,679.41 = 10,949.41/x
  3. Step 3: Cross multiply
    19,332.91x = 26,679.41 × 10,949.41
  4. Step 4: Simplify right side
    19,332.91x = 292,123,798.65
  5. Step 5: Solve for x
    x = 292,123,798.65/19,332.91
  6. Step 6: Final answer
    x = 15,110.18

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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.