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Finding the Fourth Proportional to 69,984, 96,577.92 and 44,838.36

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Solution

The fourth proportional to 69,984, 96,577.92 and 44,838.36 is: 61,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984 : 96,577.92 = 44,838.36 : x
  2. Step 2: Convert to fraction form
    69,984/96,577.92 = 44,838.36/x
  3. Step 3: Cross multiply
    69,984x = 96,577.92 × 44,838.36
  4. Step 4: Simplify right side
    69,984x = 4,330,395,545.01
  5. Step 5: Solve for x
    x = 4,330,395,545.01/69,984
  6. Step 6: Final answer
    x = 61,876.94

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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.