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Finding the Fourth Proportional to 7,256.78, 10,885.17 and 2,061.98

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Solution

The fourth proportional to 7,256.78, 10,885.17 and 2,061.98 is: 3,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.78 : 10,885.17 = 2,061.98 : x
  2. Step 2: Convert to fraction form
    7,256.78/10,885.17 = 2,061.98/x
  3. Step 3: Cross multiply
    7,256.78x = 10,885.17 × 2,061.98
  4. Step 4: Simplify right side
    7,256.78x = 22,445,002.84
  5. Step 5: Solve for x
    x = 22,445,002.84/7,256.78
  6. Step 6: Final answer
    x = 3,092.97

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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.