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Finding the Fourth Proportional to 7,032.25, 9,704.62 and 3,888.44

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Solution

The fourth proportional to 7,032.25, 9,704.62 and 3,888.44 is: 5,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.25 : 9,704.62 = 3,888.44 : x
  2. Step 2: Convert to fraction form
    7,032.25/9,704.62 = 3,888.44/x
  3. Step 3: Cross multiply
    7,032.25x = 9,704.62 × 3,888.44
  4. Step 4: Simplify right side
    7,032.25x = 37,735,832.59
  5. Step 5: Solve for x
    x = 37,735,832.59/7,032.25
  6. Step 6: Final answer
    x = 5,366.11

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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.