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Finding the Fourth Proportional to 62,605.68, 93,903.78 and 18,232.80

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Solution

The fourth proportional to 62,605.68, 93,903.78 and 18,232.80 is: 27,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,605.68 : 93,903.78 = 18,232.80 : x
  2. Step 2: Convert to fraction form
    62,605.68/93,903.78 = 18,232.80/x
  3. Step 3: Cross multiply
    62,605.68x = 93,903.78 × 18,232.80
  4. Step 4: Simplify right side
    62,605.68x = 1,712,128,839.98
  5. Step 5: Solve for x
    x = 1,712,128,839.98/62,605.68
  6. Step 6: Final answer
    x = 27,347.82

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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.