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Finding the Fourth Proportional to 8,644.35, 11,950.41 and 8,565.38

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Solution

The fourth proportional to 8,644.35, 11,950.41 and 8,565.38 is: 11,841.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.35 : 11,950.41 = 8,565.38 : x
  2. Step 2: Convert to fraction form
    8,644.35/11,950.41 = 8,565.38/x
  3. Step 3: Cross multiply
    8,644.35x = 11,950.41 × 8,565.38
  4. Step 4: Simplify right side
    8,644.35x = 102,359,802.81
  5. Step 5: Solve for x
    x = 102,359,802.81/8,644.35
  6. Step 6: Final answer
    x = 11,841.24

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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.