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Finding the Fourth Proportional to 15,999.16, 23,998.72 and 8,607.10

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Solution

The fourth proportional to 15,999.16, 23,998.72 and 8,607.10 is: 12,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.16 : 23,998.72 = 8,607.10 : x
  2. Step 2: Convert to fraction form
    15,999.16/23,998.72 = 8,607.10/x
  3. Step 3: Cross multiply
    15,999.16x = 23,998.72 × 8,607.10
  4. Step 4: Simplify right side
    15,999.16x = 206,559,382.91
  5. Step 5: Solve for x
    x = 206,559,382.91/15,999.16
  6. Step 6: Final answer
    x = 12,910.64

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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.