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Finding the Fourth Proportional to 5,923.78, 8,891.05 and 3,152.77

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Solution

The fourth proportional to 5,923.78, 8,891.05 and 3,152.77 is: 4,732.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,923.78 : 8,891.05 = 3,152.77 : x
  2. Step 2: Convert to fraction form
    5,923.78/8,891.05 = 3,152.77/x
  3. Step 3: Cross multiply
    5,923.78x = 8,891.05 × 3,152.77
  4. Step 4: Simplify right side
    5,923.78x = 28,031,435.71
  5. Step 5: Solve for x
    x = 28,031,435.71/5,923.78
  6. Step 6: Final answer
    x = 4,732.02

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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.