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Finding the Fourth Proportional to 69,253.68, 103,905.24 and 22,506.72

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Solution

The fourth proportional to 69,253.68, 103,905.24 and 22,506.72 is: 33,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,253.68 : 103,905.24 = 22,506.72 : x
  2. Step 2: Convert to fraction form
    69,253.68/103,905.24 = 22,506.72/x
  3. Step 3: Cross multiply
    69,253.68x = 103,905.24 × 22,506.72
  4. Step 4: Simplify right side
    69,253.68x = 2,338,566,143.21
  5. Step 5: Solve for x
    x = 2,338,566,143.21/69,253.68
  6. Step 6: Final answer
    x = 33,768.11

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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.