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Finding the Fourth Proportional to 61,716.54, 92,574.81 and 21,726.11

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Solution

The fourth proportional to 61,716.54, 92,574.81 and 21,726.11 is: 32,589.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,716.54 : 92,574.81 = 21,726.11 : x
  2. Step 2: Convert to fraction form
    61,716.54/92,574.81 = 21,726.11/x
  3. Step 3: Cross multiply
    61,716.54x = 92,574.81 × 21,726.11
  4. Step 4: Simplify right side
    61,716.54x = 2,011,290,042.42
  5. Step 5: Solve for x
    x = 2,011,290,042.42/61,716.54
  6. Step 6: Final answer
    x = 32,589.16

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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.