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Finding the Fourth Proportional to 8,601.66, 11,876.15 and 5,773.28

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Solution

The fourth proportional to 8,601.66, 11,876.15 and 5,773.28 is: 7,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.66 : 11,876.15 = 5,773.28 : x
  2. Step 2: Convert to fraction form
    8,601.66/11,876.15 = 5,773.28/x
  3. Step 3: Cross multiply
    8,601.66x = 11,876.15 × 5,773.28
  4. Step 4: Simplify right side
    8,601.66x = 68,564,294.32
  5. Step 5: Solve for x
    x = 68,564,294.32/8,601.66
  6. Step 6: Final answer
    x = 7,971.05

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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.