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Finding the Fourth Proportional to 71,085.84, 106,565.40 and 36,007.44

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Solution

The fourth proportional to 71,085.84, 106,565.40 and 36,007.44 is: 53,979.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,085.84 : 106,565.40 = 36,007.44 : x
  2. Step 2: Convert to fraction form
    71,085.84/106,565.40 = 36,007.44/x
  3. Step 3: Cross multiply
    71,085.84x = 106,565.40 × 36,007.44
  4. Step 4: Simplify right side
    71,085.84x = 3,837,147,246.58
  5. Step 5: Solve for x
    x = 3,837,147,246.58/71,085.84
  6. Step 6: Final answer
    x = 53,979.07

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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.