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Finding the Fourth Proportional to 22,752.84, 34,144.64 and 7,961.89

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Solution

The fourth proportional to 22,752.84, 34,144.64 and 7,961.89 is: 11,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,752.84 : 34,144.64 = 7,961.89 : x
  2. Step 2: Convert to fraction form
    22,752.84/34,144.64 = 7,961.89/x
  3. Step 3: Cross multiply
    22,752.84x = 34,144.64 × 7,961.89
  4. Step 4: Simplify right side
    22,752.84x = 271,855,762.50
  5. Step 5: Solve for x
    x = 271,855,762.50/22,752.84
  6. Step 6: Final answer
    x = 11,948.21

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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.