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Finding the Fourth Proportional to 62,642.84, 93,919.61 and 29,344.74

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Solution

The fourth proportional to 62,642.84, 93,919.61 and 29,344.74 is: 43,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,642.84 : 93,919.61 = 29,344.74 : x
  2. Step 2: Convert to fraction form
    62,642.84/93,919.61 = 29,344.74/x
  3. Step 3: Cross multiply
    62,642.84x = 93,919.61 × 29,344.74
  4. Step 4: Simplify right side
    62,642.84x = 2,756,046,389.63
  5. Step 5: Solve for x
    x = 2,756,046,389.63/62,642.84
  6. Step 6: Final answer
    x = 43,996.20

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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.