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Finding the Fourth Proportional to 34,993.76, 48,291.54 and 22,425.80

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Solution

The fourth proportional to 34,993.76, 48,291.54 and 22,425.80 is: 30,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,993.76 : 48,291.54 = 22,425.80 : x
  2. Step 2: Convert to fraction form
    34,993.76/48,291.54 = 22,425.80/x
  3. Step 3: Cross multiply
    34,993.76x = 48,291.54 × 22,425.80
  4. Step 4: Simplify right side
    34,993.76x = 1,082,976,417.73
  5. Step 5: Solve for x
    x = 1,082,976,417.73/34,993.76
  6. Step 6: Final answer
    x = 30,947.70

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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.