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Finding the Fourth Proportional to 69,388.74, 104,142.06 and 27,298.22

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Solution

The fourth proportional to 69,388.74, 104,142.06 and 27,298.22 is: 40,970.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,388.74 : 104,142.06 = 27,298.22 : x
  2. Step 2: Convert to fraction form
    69,388.74/104,142.06 = 27,298.22/x
  3. Step 3: Cross multiply
    69,388.74x = 104,142.06 × 27,298.22
  4. Step 4: Simplify right side
    69,388.74x = 2,842,892,865.13
  5. Step 5: Solve for x
    x = 2,842,892,865.13/69,388.74
  6. Step 6: Final answer
    x = 40,970.52

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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.