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Finding the Fourth Proportional to 45,257.84, 67,759.84 and 34,129.52

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Solution

The fourth proportional to 45,257.84, 67,759.84 and 34,129.52 is: 51,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,257.84 : 67,759.84 = 34,129.52 : x
  2. Step 2: Convert to fraction form
    45,257.84/67,759.84 = 34,129.52/x
  3. Step 3: Cross multiply
    45,257.84x = 67,759.84 × 34,129.52
  4. Step 4: Simplify right side
    45,257.84x = 2,312,610,814.48
  5. Step 5: Solve for x
    x = 2,312,610,814.48/45,257.84
  6. Step 6: Final answer
    x = 51,098.57

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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.