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Finding the Fourth Proportional to 8,605.27, 11,876.10 and 4,828.44

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Solution

The fourth proportional to 8,605.27, 11,876.10 and 4,828.44 is: 6,663.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.27 : 11,876.10 = 4,828.44 : x
  2. Step 2: Convert to fraction form
    8,605.27/11,876.10 = 4,828.44/x
  3. Step 3: Cross multiply
    8,605.27x = 11,876.10 × 4,828.44
  4. Step 4: Simplify right side
    8,605.27x = 57,343,089.87
  5. Step 5: Solve for x
    x = 57,343,089.87/8,605.27
  6. Step 6: Final answer
    x = 6,663.72

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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.