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Finding the Fourth Proportional to 15,992.52, 23,990.85 and 8,586.84

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Solution

The fourth proportional to 15,992.52, 23,990.85 and 8,586.84 is: 12,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992.52 : 23,990.85 = 8,586.84 : x
  2. Step 2: Convert to fraction form
    15,992.52/23,990.85 = 8,586.84/x
  3. Step 3: Cross multiply
    15,992.52x = 23,990.85 × 8,586.84
  4. Step 4: Simplify right side
    15,992.52x = 206,005,590.41
  5. Step 5: Solve for x
    x = 206,005,590.41/15,992.52
  6. Step 6: Final answer
    x = 12,881.37

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Half scale
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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.