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Finding the Fourth Proportional to 5,394.60, 8,085.60 and 2,473.20

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Solution

The fourth proportional to 5,394.60, 8,085.60 and 2,473.20 is: 3,706.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394.60 : 8,085.60 = 2,473.20 : x
  2. Step 2: Convert to fraction form
    5,394.60/8,085.60 = 2,473.20/x
  3. Step 3: Cross multiply
    5,394.60x = 8,085.60 × 2,473.20
  4. Step 4: Simplify right side
    5,394.60x = 19,997,305.92
  5. Step 5: Solve for x
    x = 19,997,305.92/5,394.60
  6. Step 6: Final answer
    x = 3,706.91

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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.