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Finding the Fourth Proportional to 61,454.85, 92,182.58 and 21,473.66

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Solution

The fourth proportional to 61,454.85, 92,182.58 and 21,473.66 is: 32,210.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,454.85 : 92,182.58 = 21,473.66 : x
  2. Step 2: Convert to fraction form
    61,454.85/92,182.58 = 21,473.66/x
  3. Step 3: Cross multiply
    61,454.85x = 92,182.58 × 21,473.66
  4. Step 4: Simplify right side
    61,454.85x = 1,979,496,812.56
  5. Step 5: Solve for x
    x = 1,979,496,812.56/61,454.85
  6. Step 6: Final answer
    x = 32,210.59

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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.