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Finding the Fourth Proportional to 9,907.83, 13,673.24 and 5,928.18

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Solution

The fourth proportional to 9,907.83, 13,673.24 and 5,928.18 is: 8,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.83 : 13,673.24 = 5,928.18 : x
  2. Step 2: Convert to fraction form
    9,907.83/13,673.24 = 5,928.18/x
  3. Step 3: Cross multiply
    9,907.83x = 13,673.24 × 5,928.18
  4. Step 4: Simplify right side
    9,907.83x = 81,057,398.26
  5. Step 5: Solve for x
    x = 81,057,398.26/9,907.83
  6. Step 6: Final answer
    x = 8,181.15

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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.