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Finding the Fourth Proportional to 4,017.49, 5,508.02 and 3,943.51

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Solution

The fourth proportional to 4,017.49, 5,508.02 and 3,943.51 is: 5,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,017.49 : 5,508.02 = 3,943.51 : x
  2. Step 2: Convert to fraction form
    4,017.49/5,508.02 = 3,943.51/x
  3. Step 3: Cross multiply
    4,017.49x = 5,508.02 × 3,943.51
  4. Step 4: Simplify right side
    4,017.49x = 21,720,931.95
  5. Step 5: Solve for x
    x = 21,720,931.95/4,017.49
  6. Step 6: Final answer
    x = 5,406.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.