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Finding the Fourth Proportional to 7,908.03, 10,914.75 and 6,580.44

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Solution

The fourth proportional to 7,908.03, 10,914.75 and 6,580.44 is: 9,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908.03 : 10,914.75 = 6,580.44 : x
  2. Step 2: Convert to fraction form
    7,908.03/10,914.75 = 6,580.44/x
  3. Step 3: Cross multiply
    7,908.03x = 10,914.75 × 6,580.44
  4. Step 4: Simplify right side
    7,908.03x = 71,823,857.49
  5. Step 5: Solve for x
    x = 71,823,857.49/7,908.03
  6. Step 6: Final answer
    x = 9,082.40

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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.