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Finding the Fourth Proportional to 15,458.52, 23,166.18 and 7,659.48

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Solution

The fourth proportional to 15,458.52, 23,166.18 and 7,659.48 is: 11,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.52 : 23,166.18 = 7,659.48 : x
  2. Step 2: Convert to fraction form
    15,458.52/23,166.18 = 7,659.48/x
  3. Step 3: Cross multiply
    15,458.52x = 23,166.18 × 7,659.48
  4. Step 4: Simplify right side
    15,458.52x = 177,440,892.39
  5. Step 5: Solve for x
    x = 177,440,892.39/15,458.52
  6. Step 6: Final answer
    x = 11,478.52

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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.