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Finding the Fourth Proportional to 5,884.81, 8,121 and 3,232.20

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Solution

The fourth proportional to 5,884.81, 8,121 and 3,232.20 is: 4,460.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.81 : 8,121 = 3,232.20 : x
  2. Step 2: Convert to fraction form
    5,884.81/8,121 = 3,232.20/x
  3. Step 3: Cross multiply
    5,884.81x = 8,121 × 3,232.20
  4. Step 4: Simplify right side
    5,884.81x = 26,248,696.20
  5. Step 5: Solve for x
    x = 26,248,696.20/5,884.81
  6. Step 6: Final answer
    x = 4,460.42

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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.