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Finding the Fourth Proportional to 69,087.76, 103,631.64 and 27,535.12

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Solution

The fourth proportional to 69,087.76, 103,631.64 and 27,535.12 is: 41,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,087.76 : 103,631.64 = 27,535.12 : x
  2. Step 2: Convert to fraction form
    69,087.76/103,631.64 = 27,535.12/x
  3. Step 3: Cross multiply
    69,087.76x = 103,631.64 × 27,535.12
  4. Step 4: Simplify right side
    69,087.76x = 2,853,509,643.20
  5. Step 5: Solve for x
    x = 2,853,509,643.20/69,087.76
  6. Step 6: Final answer
    x = 41,302.68

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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.