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Finding the Fourth Proportional to 7,073.19, 9,760.93 and 3,843.07

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Solution

The fourth proportional to 7,073.19, 9,760.93 and 3,843.07 is: 5,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,073.19 : 9,760.93 = 3,843.07 : x
  2. Step 2: Convert to fraction form
    7,073.19/9,760.93 = 3,843.07/x
  3. Step 3: Cross multiply
    7,073.19x = 9,760.93 × 3,843.07
  4. Step 4: Simplify right side
    7,073.19x = 37,511,937.26
  5. Step 5: Solve for x
    x = 37,511,937.26/7,073.19
  6. Step 6: Final answer
    x = 5,303.40

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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.