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Finding the Fourth Proportional to 23,199.68, 34,795.92 and 7,617.20

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Solution

The fourth proportional to 23,199.68, 34,795.92 and 7,617.20 is: 11,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,199.68 : 34,795.92 = 7,617.20 : x
  2. Step 2: Convert to fraction form
    23,199.68/34,795.92 = 7,617.20/x
  3. Step 3: Cross multiply
    23,199.68x = 34,795.92 × 7,617.20
  4. Step 4: Simplify right side
    23,199.68x = 265,047,481.82
  5. Step 5: Solve for x
    x = 265,047,481.82/23,199.68
  6. Step 6: Final answer
    x = 11,424.62

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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.