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Finding the Fourth Proportional to 69,216.48, 103,819.54 and 27,088.48

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Solution

The fourth proportional to 69,216.48, 103,819.54 and 27,088.48 is: 40,630.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,216.48 : 103,819.54 = 27,088.48 : x
  2. Step 2: Convert to fraction form
    69,216.48/103,819.54 = 27,088.48/x
  3. Step 3: Cross multiply
    69,216.48x = 103,819.54 × 27,088.48
  4. Step 4: Simplify right side
    69,216.48x = 2,812,313,532.90
  5. Step 5: Solve for x
    x = 2,812,313,532.90/69,216.48
  6. Step 6: Final answer
    x = 40,630.69

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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.