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Finding the Fourth Proportional to 69,603.28, 104,420.31 and 29,620.16

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Solution

The fourth proportional to 69,603.28, 104,420.31 and 29,620.16 is: 44,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,603.28 : 104,420.31 = 29,620.16 : x
  2. Step 2: Convert to fraction form
    69,603.28/104,420.31 = 29,620.16/x
  3. Step 3: Cross multiply
    69,603.28x = 104,420.31 × 29,620.16
  4. Step 4: Simplify right side
    69,603.28x = 3,092,946,624.55
  5. Step 5: Solve for x
    x = 3,092,946,624.55/69,603.28
  6. Step 6: Final answer
    x = 44,436.79

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1.5x scale

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.