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Finding the Fourth Proportional to 69,872.34, 96,487.86 and 44,386.94

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Solution

The fourth proportional to 69,872.34, 96,487.86 and 44,386.94 is: 61,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,872.34 : 96,487.86 = 44,386.94 : x
  2. Step 2: Convert to fraction form
    69,872.34/96,487.86 = 44,386.94/x
  3. Step 3: Cross multiply
    69,872.34x = 96,487.86 × 44,386.94
  4. Step 4: Simplify right side
    69,872.34x = 4,282,800,852.55
  5. Step 5: Solve for x
    x = 4,282,800,852.55/69,872.34
  6. Step 6: Final answer
    x = 61,294.65

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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.