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Finding the Fourth Proportional to 67,872.98, 93,673.28 and 44,609.07

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Solution

The fourth proportional to 67,872.98, 93,673.28 and 44,609.07 is: 61,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,872.98 : 93,673.28 = 44,609.07 : x
  2. Step 2: Convert to fraction form
    67,872.98/93,673.28 = 44,609.07/x
  3. Step 3: Cross multiply
    67,872.98x = 93,673.28 × 44,609.07
  4. Step 4: Simplify right side
    67,872.98x = 4,178,678,016.17
  5. Step 5: Solve for x
    x = 4,178,678,016.17/67,872.98
  6. Step 6: Final answer
    x = 61,566.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.