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Finding the Fourth Proportional to 8,967.92, 13,452.48 and 3,123.77

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Solution

The fourth proportional to 8,967.92, 13,452.48 and 3,123.77 is: 4,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967.92 : 13,452.48 = 3,123.77 : x
  2. Step 2: Convert to fraction form
    8,967.92/13,452.48 = 3,123.77/x
  3. Step 3: Cross multiply
    8,967.92x = 13,452.48 × 3,123.77
  4. Step 4: Simplify right side
    8,967.92x = 42,022,386.19
  5. Step 5: Solve for x
    x = 42,022,386.19/8,967.92
  6. Step 6: Final answer
    x = 4,685.86

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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.