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Finding the Fourth Proportional to 5,547.96, 8,321.94 and 1,651.86

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Solution

The fourth proportional to 5,547.96, 8,321.94 and 1,651.86 is: 2,477.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.96 : 8,321.94 = 1,651.86 : x
  2. Step 2: Convert to fraction form
    5,547.96/8,321.94 = 1,651.86/x
  3. Step 3: Cross multiply
    5,547.96x = 8,321.94 × 1,651.86
  4. Step 4: Simplify right side
    5,547.96x = 13,746,679.81
  5. Step 5: Solve for x
    x = 13,746,679.81/5,547.96
  6. Step 6: Final answer
    x = 2,477.79

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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.