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Finding the Fourth Proportional to 34,257.65, 47,275.80 and 19,150.92

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Solution

The fourth proportional to 34,257.65, 47,275.80 and 19,150.92 is: 26,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,257.65 : 47,275.80 = 19,150.92 : x
  2. Step 2: Convert to fraction form
    34,257.65/47,275.80 = 19,150.92/x
  3. Step 3: Cross multiply
    34,257.65x = 47,275.80 × 19,150.92
  4. Step 4: Simplify right side
    34,257.65x = 905,375,063.74
  5. Step 5: Solve for x
    x = 905,375,063.74/34,257.65
  6. Step 6: Final answer
    x = 26,428.41

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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.