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Finding the Fourth Proportional to 23,642.68, 35,468.20 and 7,848.66

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Solution

The fourth proportional to 23,642.68, 35,468.20 and 7,848.66 is: 11,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,642.68 : 35,468.20 = 7,848.66 : x
  2. Step 2: Convert to fraction form
    23,642.68/35,468.20 = 7,848.66/x
  3. Step 3: Cross multiply
    23,642.68x = 35,468.20 × 7,848.66
  4. Step 4: Simplify right side
    23,642.68x = 278,377,842.61
  5. Step 5: Solve for x
    x = 278,377,842.61/23,642.68
  6. Step 6: Final answer
    x = 11,774.38

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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.