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Finding the Fourth Proportional to 41,140.84, 61,711.26 and 9,976.08

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Solution

The fourth proportional to 41,140.84, 61,711.26 and 9,976.08 is: 14,964.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,140.84 : 61,711.26 = 9,976.08 : x
  2. Step 2: Convert to fraction form
    41,140.84/61,711.26 = 9,976.08/x
  3. Step 3: Cross multiply
    41,140.84x = 61,711.26 × 9,976.08
  4. Step 4: Simplify right side
    41,140.84x = 615,636,466.66
  5. Step 5: Solve for x
    x = 615,636,466.66/41,140.84
  6. Step 6: Final answer
    x = 14,964.12

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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.