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Finding the Fourth Proportional to 5,217.36, 7,826.04 and 2,718.03

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Solution

The fourth proportional to 5,217.36, 7,826.04 and 2,718.03 is: 4,077.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.36 : 7,826.04 = 2,718.03 : x
  2. Step 2: Convert to fraction form
    5,217.36/7,826.04 = 2,718.03/x
  3. Step 3: Cross multiply
    5,217.36x = 7,826.04 × 2,718.03
  4. Step 4: Simplify right side
    5,217.36x = 21,271,426.48
  5. Step 5: Solve for x
    x = 21,271,426.48/5,217.36
  6. Step 6: Final answer
    x = 4,077.05

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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.