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Finding the Fourth Proportional to 61,826.82, 92,747.04 and 19,697.10

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Solution

The fourth proportional to 61,826.82, 92,747.04 and 19,697.10 is: 29,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,826.82 : 92,747.04 = 19,697.10 : x
  2. Step 2: Convert to fraction form
    61,826.82/92,747.04 = 19,697.10/x
  3. Step 3: Cross multiply
    61,826.82x = 92,747.04 × 19,697.10
  4. Step 4: Simplify right side
    61,826.82x = 1,826,847,721.58
  5. Step 5: Solve for x
    x = 1,826,847,721.58/61,826.82
  6. Step 6: Final answer
    x = 29,547.82

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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.