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Finding the Fourth Proportional to 22,752.55, 34,129.33 and 7,759.65

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Solution

The fourth proportional to 22,752.55, 34,129.33 and 7,759.65 is: 11,639.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,752.55 : 34,129.33 = 7,759.65 : x
  2. Step 2: Convert to fraction form
    22,752.55/34,129.33 = 7,759.65/x
  3. Step 3: Cross multiply
    22,752.55x = 34,129.33 × 7,759.65
  4. Step 4: Simplify right side
    22,752.55x = 264,831,655.53
  5. Step 5: Solve for x
    x = 264,831,655.53/22,752.55
  6. Step 6: Final answer
    x = 11,639.65

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Double scale
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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.