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Finding the Fourth Proportional to 15,679.92, 23,521.08 and 6,795.84

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Solution

The fourth proportional to 15,679.92, 23,521.08 and 6,795.84 is: 10,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,679.92 : 23,521.08 = 6,795.84 : x
  2. Step 2: Convert to fraction form
    15,679.92/23,521.08 = 6,795.84/x
  3. Step 3: Cross multiply
    15,679.92x = 23,521.08 × 6,795.84
  4. Step 4: Simplify right side
    15,679.92x = 159,845,496.31
  5. Step 5: Solve for x
    x = 159,845,496.31/15,679.92
  6. Step 6: Final answer
    x = 10,194.28

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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.