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Finding the Fourth Proportional to 69,077.76, 103,616.64 and 27,525.12

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Solution

The fourth proportional to 69,077.76, 103,616.64 and 27,525.12 is: 41,287.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,077.76 : 103,616.64 = 27,525.12 : x
  2. Step 2: Convert to fraction form
    69,077.76/103,616.64 = 27,525.12/x
  3. Step 3: Cross multiply
    69,077.76x = 103,616.64 × 27,525.12
  4. Step 4: Simplify right side
    69,077.76x = 2,852,060,450.00
  5. Step 5: Solve for x
    x = 2,852,060,450.00/69,077.76
  6. Step 6: Final answer
    x = 41,287.68

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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.