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Finding the Fourth Proportional to 6,168.78, 9,253.14 and 1,551.78

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Solution

The fourth proportional to 6,168.78, 9,253.14 and 1,551.78 is: 2,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.78 : 9,253.14 = 1,551.78 : x
  2. Step 2: Convert to fraction form
    6,168.78/9,253.14 = 1,551.78/x
  3. Step 3: Cross multiply
    6,168.78x = 9,253.14 × 1,551.78
  4. Step 4: Simplify right side
    6,168.78x = 14,358,837.59
  5. Step 5: Solve for x
    x = 14,358,837.59/6,168.78
  6. Step 6: Final answer
    x = 2,327.66

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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.