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Finding the Fourth Proportional to 5,651, 7,799.28 and 4,453.28

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Solution

The fourth proportional to 5,651, 7,799.28 and 4,453.28 is: 6,146.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651 : 7,799.28 = 4,453.28 : x
  2. Step 2: Convert to fraction form
    5,651/7,799.28 = 4,453.28/x
  3. Step 3: Cross multiply
    5,651x = 7,799.28 × 4,453.28
  4. Step 4: Simplify right side
    5,651x = 34,732,377.64
  5. Step 5: Solve for x
    x = 34,732,377.64/5,651
  6. Step 6: Final answer
    x = 6,146.24

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Double scale
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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.