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Finding the Fourth Proportional to 22,515.70, 33,752.90 and 8,654.26

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Solution

The fourth proportional to 22,515.70, 33,752.90 and 8,654.26 is: 12,973.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.70 : 33,752.90 = 8,654.26 : x
  2. Step 2: Convert to fraction form
    22,515.70/33,752.90 = 8,654.26/x
  3. Step 3: Cross multiply
    22,515.70x = 33,752.90 × 8,654.26
  4. Step 4: Simplify right side
    22,515.70x = 292,106,372.35
  5. Step 5: Solve for x
    x = 292,106,372.35/22,515.70
  6. Step 6: Final answer
    x = 12,973.45

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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.