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Finding the Fourth Proportional to 6,503.46, 9,760.65 and 2,808.46

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Solution

The fourth proportional to 6,503.46, 9,760.65 and 2,808.46 is: 4,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.46 : 9,760.65 = 2,808.46 : x
  2. Step 2: Convert to fraction form
    6,503.46/9,760.65 = 2,808.46/x
  3. Step 3: Cross multiply
    6,503.46x = 9,760.65 × 2,808.46
  4. Step 4: Simplify right side
    6,503.46x = 27,412,395.10
  5. Step 5: Solve for x
    x = 27,412,395.10/6,503.46
  6. Step 6: Final answer
    x = 4,215.05

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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.