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Finding the Fourth Proportional to 5,774.74, 8,662.09 and 1,392.19

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Solution

The fourth proportional to 5,774.74, 8,662.09 and 1,392.19 is: 2,088.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.74 : 8,662.09 = 1,392.19 : x
  2. Step 2: Convert to fraction form
    5,774.74/8,662.09 = 1,392.19/x
  3. Step 3: Cross multiply
    5,774.74x = 8,662.09 × 1,392.19
  4. Step 4: Simplify right side
    5,774.74x = 12,059,252.55
  5. Step 5: Solve for x
    x = 12,059,252.55/5,774.74
  6. Step 6: Final answer
    x = 2,088.28

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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.