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Finding the Fourth Proportional to 25,761.53, 38,656.91 and 10,968.91

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Solution

The fourth proportional to 25,761.53, 38,656.91 and 10,968.91 is: 16,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,761.53 : 38,656.91 = 10,968.91 : x
  2. Step 2: Convert to fraction form
    25,761.53/38,656.91 = 10,968.91/x
  3. Step 3: Cross multiply
    25,761.53x = 38,656.91 × 10,968.91
  4. Step 4: Simplify right side
    25,761.53x = 424,024,097.45
  5. Step 5: Solve for x
    x = 424,024,097.45/25,761.53
  6. Step 6: Final answer
    x = 16,459.58

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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.