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Finding the Fourth Proportional to 5,696.28, 8,548.25 and 1,998.54

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Solution

The fourth proportional to 5,696.28, 8,548.25 and 1,998.54 is: 2,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,696.28 : 8,548.25 = 1,998.54 : x
  2. Step 2: Convert to fraction form
    5,696.28/8,548.25 = 1,998.54/x
  3. Step 3: Cross multiply
    5,696.28x = 8,548.25 × 1,998.54
  4. Step 4: Simplify right side
    5,696.28x = 17,084,009.56
  5. Step 5: Solve for x
    x = 17,084,009.56/5,696.28
  6. Step 6: Final answer
    x = 2,999.15

Related Problems

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.