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Finding the Fourth Proportional to 23,319.80, 34,979.70 and 22,347.80

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Solution

The fourth proportional to 23,319.80, 34,979.70 and 22,347.80 is: 33,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,319.80 : 34,979.70 = 22,347.80 : x
  2. Step 2: Convert to fraction form
    23,319.80/34,979.70 = 22,347.80/x
  3. Step 3: Cross multiply
    23,319.80x = 34,979.70 × 22,347.80
  4. Step 4: Simplify right side
    23,319.80x = 781,719,339.66
  5. Step 5: Solve for x
    x = 781,719,339.66/23,319.80
  6. Step 6: Final answer
    x = 33,521.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.