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Finding the Fourth Proportional to 69,364.20, 104,027.10 and 27,815.40

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Solution

The fourth proportional to 69,364.20, 104,027.10 and 27,815.40 is: 41,715.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,364.20 : 104,027.10 = 27,815.40 : x
  2. Step 2: Convert to fraction form
    69,364.20/104,027.10 = 27,815.40/x
  3. Step 3: Cross multiply
    69,364.20x = 104,027.10 × 27,815.40
  4. Step 4: Simplify right side
    69,364.20x = 2,893,555,397.34
  5. Step 5: Solve for x
    x = 2,893,555,397.34/69,364.20
  6. Step 6: Final answer
    x = 41,715.40

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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.