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Finding the Fourth Proportional to 22,752.65, 34,130.70 and 7,755.11

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Solution

The fourth proportional to 22,752.65, 34,130.70 and 7,755.11 is: 11,633.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,752.65 : 34,130.70 = 7,755.11 : x
  2. Step 2: Convert to fraction form
    22,752.65/34,130.70 = 7,755.11/x
  3. Step 3: Cross multiply
    22,752.65x = 34,130.70 × 7,755.11
  4. Step 4: Simplify right side
    22,752.65x = 264,687,332.88
  5. Step 5: Solve for x
    x = 264,687,332.88/22,752.65
  6. Step 6: Final answer
    x = 11,633.25

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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.