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Finding the Fourth Proportional to 34,481.65, 47,581.72 and 19,373.12

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Solution

The fourth proportional to 34,481.65, 47,581.72 and 19,373.12 is: 26,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,481.65 : 47,581.72 = 19,373.12 : x
  2. Step 2: Convert to fraction form
    34,481.65/47,581.72 = 19,373.12/x
  3. Step 3: Cross multiply
    34,481.65x = 47,581.72 × 19,373.12
  4. Step 4: Simplify right side
    34,481.65x = 921,806,371.37
  5. Step 5: Solve for x
    x = 921,806,371.37/34,481.65
  6. Step 6: Final answer
    x = 26,733.24

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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.