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Finding the Fourth Proportional to 54,679.61, 82,012.65 and 14,701.65

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Solution

The fourth proportional to 54,679.61, 82,012.65 and 14,701.65 is: 22,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,679.61 : 82,012.65 = 14,701.65 : x
  2. Step 2: Convert to fraction form
    54,679.61/82,012.65 = 14,701.65/x
  3. Step 3: Cross multiply
    54,679.61x = 82,012.65 × 14,701.65
  4. Step 4: Simplify right side
    54,679.61x = 1,205,721,457.21
  5. Step 5: Solve for x
    x = 1,205,721,457.21/54,679.61
  6. Step 6: Final answer
    x = 22,050.66

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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.