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Finding the Fourth Proportional to 3,302.51, 4,557.87 and 1,976.94

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Solution

The fourth proportional to 3,302.51, 4,557.87 and 1,976.94 is: 2,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.51 : 4,557.87 = 1,976.94 : x
  2. Step 2: Convert to fraction form
    3,302.51/4,557.87 = 1,976.94/x
  3. Step 3: Cross multiply
    3,302.51x = 4,557.87 × 1,976.94
  4. Step 4: Simplify right side
    3,302.51x = 9,010,635.52
  5. Step 5: Solve for x
    x = 9,010,635.52/3,302.51
  6. Step 6: Final answer
    x = 2,728.42

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.