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Finding the Fourth Proportional to 9,803.71, 13,529.08 and 5,327.38

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Solution

The fourth proportional to 9,803.71, 13,529.08 and 5,327.38 is: 7,351.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,803.71 : 13,529.08 = 5,327.38 : x
  2. Step 2: Convert to fraction form
    9,803.71/13,529.08 = 5,327.38/x
  3. Step 3: Cross multiply
    9,803.71x = 13,529.08 × 5,327.38
  4. Step 4: Simplify right side
    9,803.71x = 72,074,550.21
  5. Step 5: Solve for x
    x = 72,074,550.21/9,803.71
  6. Step 6: Final answer
    x = 7,351.76

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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.