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Finding the Fourth Proportional to 7,083.30, 9,775.02 and 3,853.15

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Solution

The fourth proportional to 7,083.30, 9,775.02 and 3,853.15 is: 5,317.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.30 : 9,775.02 = 3,853.15 : x
  2. Step 2: Convert to fraction form
    7,083.30/9,775.02 = 3,853.15/x
  3. Step 3: Cross multiply
    7,083.30x = 9,775.02 × 3,853.15
  4. Step 4: Simplify right side
    7,083.30x = 37,664,618.31
  5. Step 5: Solve for x
    x = 37,664,618.31/7,083.30
  6. Step 6: Final answer
    x = 5,317.38

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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.