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Finding the Fourth Proportional to 62,555.61, 93,811.29 and 18,173.13

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Solution

The fourth proportional to 62,555.61, 93,811.29 and 18,173.13 is: 27,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,555.61 : 93,811.29 = 18,173.13 : x
  2. Step 2: Convert to fraction form
    62,555.61/93,811.29 = 18,173.13/x
  3. Step 3: Cross multiply
    62,555.61x = 93,811.29 × 18,173.13
  4. Step 4: Simplify right side
    62,555.61x = 1,704,844,768.64
  5. Step 5: Solve for x
    x = 1,704,844,768.64/62,555.61
  6. Step 6: Final answer
    x = 27,253.27

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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.