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Finding the Fourth Proportional to 22,952.60, 34,412.70 and 8,907.20

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Solution

The fourth proportional to 22,952.60, 34,412.70 and 8,907.20 is: 13,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,952.60 : 34,412.70 = 8,907.20 : x
  2. Step 2: Convert to fraction form
    22,952.60/34,412.70 = 8,907.20/x
  3. Step 3: Cross multiply
    22,952.60x = 34,412.70 × 8,907.20
  4. Step 4: Simplify right side
    22,952.60x = 306,520,801.44
  5. Step 5: Solve for x
    x = 306,520,801.44/22,952.60
  6. Step 6: Final answer
    x = 13,354.51

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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.