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Finding the Fourth Proportional to 22,963.80, 34,437.60 and 8,173.20

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Solution

The fourth proportional to 22,963.80, 34,437.60 and 8,173.20 is: 12,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,963.80 : 34,437.60 = 8,173.20 : x
  2. Step 2: Convert to fraction form
    22,963.80/34,437.60 = 8,173.20/x
  3. Step 3: Cross multiply
    22,963.80x = 34,437.60 × 8,173.20
  4. Step 4: Simplify right side
    22,963.80x = 281,465,392.32
  5. Step 5: Solve for x
    x = 281,465,392.32/22,963.80
  6. Step 6: Final answer
    x = 12,256.92

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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.