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Finding the Fourth Proportional to 3,359.62, 5,040.96 and 1,715.32

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Solution

The fourth proportional to 3,359.62, 5,040.96 and 1,715.32 is: 2,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.62 : 5,040.96 = 1,715.32 : x
  2. Step 2: Convert to fraction form
    3,359.62/5,040.96 = 1,715.32/x
  3. Step 3: Cross multiply
    3,359.62x = 5,040.96 × 1,715.32
  4. Step 4: Simplify right side
    3,359.62x = 8,646,859.51
  5. Step 5: Solve for x
    x = 8,646,859.51/3,359.62
  6. Step 6: Final answer
    x = 2,573.76

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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.