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Finding the Fourth Proportional to 8,601.77, 12,902.38 and 2,445.77

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Solution

The fourth proportional to 8,601.77, 12,902.38 and 2,445.77 is: 3,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.77 : 12,902.38 = 2,445.77 : x
  2. Step 2: Convert to fraction form
    8,601.77/12,902.38 = 2,445.77/x
  3. Step 3: Cross multiply
    8,601.77x = 12,902.38 × 2,445.77
  4. Step 4: Simplify right side
    8,601.77x = 31,556,253.93
  5. Step 5: Solve for x
    x = 31,556,253.93/8,601.77
  6. Step 6: Final answer
    x = 3,668.58

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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.