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Finding the Fourth Proportional to 69,989.04, 96,600.48 and 44,490.42

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Solution

The fourth proportional to 69,989.04, 96,600.48 and 44,490.42 is: 61,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,989.04 : 96,600.48 = 44,490.42 : x
  2. Step 2: Convert to fraction form
    69,989.04/96,600.48 = 44,490.42/x
  3. Step 3: Cross multiply
    69,989.04x = 96,600.48 × 44,490.42
  4. Step 4: Simplify right side
    69,989.04x = 4,297,795,927.40
  5. Step 5: Solve for x
    x = 4,297,795,927.40/69,989.04
  6. Step 6: Final answer
    x = 61,406.70

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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.