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Finding the Fourth Proportional to 40,590.68, 60,974.04 and 34,363.40

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Solution

The fourth proportional to 40,590.68, 60,974.04 and 34,363.40 is: 51,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,590.68 : 60,974.04 = 34,363.40 : x
  2. Step 2: Convert to fraction form
    40,590.68/60,974.04 = 34,363.40/x
  3. Step 3: Cross multiply
    40,590.68x = 60,974.04 × 34,363.40
  4. Step 4: Simplify right side
    40,590.68x = 2,095,275,326.14
  5. Step 5: Solve for x
    x = 2,095,275,326.14/40,590.68
  6. Step 6: Final answer
    x = 51,619.62

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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.