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Finding the Fourth Proportional to 54,886.61, 82,264.57 and 26,405.66

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Solution

The fourth proportional to 54,886.61, 82,264.57 and 26,405.66 is: 39,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,886.61 : 82,264.57 = 26,405.66 : x
  2. Step 2: Convert to fraction form
    54,886.61/82,264.57 = 26,405.66/x
  3. Step 3: Cross multiply
    54,886.61x = 82,264.57 × 26,405.66
  4. Step 4: Simplify right side
    54,886.61x = 2,172,250,405.11
  5. Step 5: Solve for x
    x = 2,172,250,405.11/54,886.61
  6. Step 6: Final answer
    x = 39,577.05

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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.