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Finding the Fourth Proportional to 3,561.64, 5,343.08 and 1,716.08

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Solution

The fourth proportional to 3,561.64, 5,343.08 and 1,716.08 is: 2,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.64 : 5,343.08 = 1,716.08 : x
  2. Step 2: Convert to fraction form
    3,561.64/5,343.08 = 1,716.08/x
  3. Step 3: Cross multiply
    3,561.64x = 5,343.08 × 1,716.08
  4. Step 4: Simplify right side
    3,561.64x = 9,169,152.73
  5. Step 5: Solve for x
    x = 9,169,152.73/3,561.64
  6. Step 6: Final answer
    x = 2,574.42

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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.