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Finding the Fourth Proportional to 62,891.60, 94,337.40 and 27,813.20

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Solution

The fourth proportional to 62,891.60, 94,337.40 and 27,813.20 is: 41,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,891.60 : 94,337.40 = 27,813.20 : x
  2. Step 2: Convert to fraction form
    62,891.60/94,337.40 = 27,813.20/x
  3. Step 3: Cross multiply
    62,891.60x = 94,337.40 × 27,813.20
  4. Step 4: Simplify right side
    62,891.60x = 2,623,824,973.68
  5. Step 5: Solve for x
    x = 2,623,824,973.68/62,891.60
  6. Step 6: Final answer
    x = 41,719.80

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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.