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Finding the Fourth Proportional to 10,081, 15,118.48 and 4,236.32

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Solution

The fourth proportional to 10,081, 15,118.48 and 4,236.32 is: 6,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,081 : 15,118.48 = 4,236.32 : x
  2. Step 2: Convert to fraction form
    10,081/15,118.48 = 4,236.32/x
  3. Step 3: Cross multiply
    10,081x = 15,118.48 × 4,236.32
  4. Step 4: Simplify right side
    10,081x = 64,046,719.19
  5. Step 5: Solve for x
    x = 64,046,719.19/10,081
  6. Step 6: Final answer
    x = 6,353.21

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Double scale
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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.