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Finding the Fourth Proportional to 62,016.80, 93,028.80 and 17,646.80

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Solution

The fourth proportional to 62,016.80, 93,028.80 and 17,646.80 is: 26,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,016.80 : 93,028.80 = 17,646.80 : x
  2. Step 2: Convert to fraction form
    62,016.80/93,028.80 = 17,646.80/x
  3. Step 3: Cross multiply
    62,016.80x = 93,028.80 × 17,646.80
  4. Step 4: Simplify right side
    62,016.80x = 1,641,660,627.84
  5. Step 5: Solve for x
    x = 1,641,660,627.84/62,016.80
  6. Step 6: Final answer
    x = 26,471.22

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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.