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Finding the Fourth Proportional to 5,366.80, 7,410.72 and 4,038.24

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Solution

The fourth proportional to 5,366.80, 7,410.72 and 4,038.24 is: 5,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.80 : 7,410.72 = 4,038.24 : x
  2. Step 2: Convert to fraction form
    5,366.80/7,410.72 = 4,038.24/x
  3. Step 3: Cross multiply
    5,366.80x = 7,410.72 × 4,038.24
  4. Step 4: Simplify right side
    5,366.80x = 29,926,265.93
  5. Step 5: Solve for x
    x = 29,926,265.93/5,366.80
  6. Step 6: Final answer
    x = 5,576.18

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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.