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Finding the Fourth Proportional to 15,753.48, 23,630.22 and 4,659.31

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Solution

The fourth proportional to 15,753.48, 23,630.22 and 4,659.31 is: 6,988.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753.48 : 23,630.22 = 4,659.31 : x
  2. Step 2: Convert to fraction form
    15,753.48/23,630.22 = 4,659.31/x
  3. Step 3: Cross multiply
    15,753.48x = 23,630.22 × 4,659.31
  4. Step 4: Simplify right side
    15,753.48x = 110,100,413.85
  5. Step 5: Solve for x
    x = 110,100,413.85/15,753.48
  6. Step 6: Final answer
    x = 6,988.96

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Double scale
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Similar ratio
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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.