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Finding the Fourth Proportional to 6,881.35, 10,322.03 and 6,530.76

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Solution

The fourth proportional to 6,881.35, 10,322.03 and 6,530.76 is: 9,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,881.35 : 10,322.03 = 6,530.76 : x
  2. Step 2: Convert to fraction form
    6,881.35/10,322.03 = 6,530.76/x
  3. Step 3: Cross multiply
    6,881.35x = 10,322.03 × 6,530.76
  4. Step 4: Simplify right side
    6,881.35x = 67,410,700.64
  5. Step 5: Solve for x
    x = 67,410,700.64/6,881.35
  6. Step 6: Final answer
    x = 9,796.14

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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.