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Finding the Fourth Proportional to 8,601.08, 11,869.08 and 4,823.78

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Solution

The fourth proportional to 8,601.08, 11,869.08 and 4,823.78 is: 6,656.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.08 : 11,869.08 = 4,823.78 : x
  2. Step 2: Convert to fraction form
    8,601.08/11,869.08 = 4,823.78/x
  3. Step 3: Cross multiply
    8,601.08x = 11,869.08 × 4,823.78
  4. Step 4: Simplify right side
    8,601.08x = 57,253,830.72
  5. Step 5: Solve for x
    x = 57,253,830.72/8,601.08
  6. Step 6: Final answer
    x = 6,656.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.