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Finding the Fourth Proportional to 5,561.96, 8,343.03 and 1,863.50

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Solution

The fourth proportional to 5,561.96, 8,343.03 and 1,863.50 is: 2,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.96 : 8,343.03 = 1,863.50 : x
  2. Step 2: Convert to fraction form
    5,561.96/8,343.03 = 1,863.50/x
  3. Step 3: Cross multiply
    5,561.96x = 8,343.03 × 1,863.50
  4. Step 4: Simplify right side
    5,561.96x = 15,547,236.41
  5. Step 5: Solve for x
    x = 15,547,236.41/5,561.96
  6. Step 6: Final answer
    x = 2,795.28

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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.