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Finding the Fourth Proportional to 9,253.80, 13,881.42 and 2,680.08

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Solution

The fourth proportional to 9,253.80, 13,881.42 and 2,680.08 is: 4,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,253.80 : 13,881.42 = 2,680.08 : x
  2. Step 2: Convert to fraction form
    9,253.80/13,881.42 = 2,680.08/x
  3. Step 3: Cross multiply
    9,253.80x = 13,881.42 × 2,680.08
  4. Step 4: Simplify right side
    9,253.80x = 37,203,316.11
  5. Step 5: Solve for x
    x = 37,203,316.11/9,253.80
  6. Step 6: Final answer
    x = 4,020.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.