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Finding the Fourth Proportional to 62,716.80, 93,998.40 and 27,619.20

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Solution

The fourth proportional to 62,716.80, 93,998.40 and 27,619.20 is: 41,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,716.80 : 93,998.40 = 27,619.20 : x
  2. Step 2: Convert to fraction form
    62,716.80/93,998.40 = 27,619.20/x
  3. Step 3: Cross multiply
    62,716.80x = 93,998.40 × 27,619.20
  4. Step 4: Simplify right side
    62,716.80x = 2,596,160,609.28
  5. Step 5: Solve for x
    x = 2,596,160,609.28/62,716.80
  6. Step 6: Final answer
    x = 41,394.98

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1.5x scale

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.