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Finding the Fourth Proportional to 62,003.36, 92,990.92 and 17,619.11

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Solution

The fourth proportional to 62,003.36, 92,990.92 and 17,619.11 is: 26,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,003.36 : 92,990.92 = 17,619.11 : x
  2. Step 2: Convert to fraction form
    62,003.36/92,990.92 = 17,619.11/x
  3. Step 3: Cross multiply
    62,003.36x = 92,990.92 × 17,619.11
  4. Step 4: Simplify right side
    62,003.36x = 1,638,417,248.48
  5. Step 5: Solve for x
    x = 1,638,417,248.48/62,003.36
  6. Step 6: Final answer
    x = 26,424.65

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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.