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Finding the Fourth Proportional to 69,596.64, 104,409.12 and 29,615.52

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Solution

The fourth proportional to 69,596.64, 104,409.12 and 29,615.52 is: 44,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,596.64 : 104,409.12 = 29,615.52 : x
  2. Step 2: Convert to fraction form
    69,596.64/104,409.12 = 29,615.52/x
  3. Step 3: Cross multiply
    69,596.64x = 104,409.12 × 29,615.52
  4. Step 4: Simplify right side
    69,596.64x = 3,092,130,381.54
  5. Step 5: Solve for x
    x = 3,092,130,381.54/69,596.64
  6. Step 6: Final answer
    x = 44,429.31

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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.