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Finding the Fourth Proportional to 5,366.02, 8,031.03 and 5,161.54

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Solution

The fourth proportional to 5,366.02, 8,031.03 and 5,161.54 is: 7,725.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.02 : 8,031.03 = 5,161.54 : x
  2. Step 2: Convert to fraction form
    5,366.02/8,031.03 = 5,161.54/x
  3. Step 3: Cross multiply
    5,366.02x = 8,031.03 × 5,161.54
  4. Step 4: Simplify right side
    5,366.02x = 41,452,482.59
  5. Step 5: Solve for x
    x = 41,452,482.59/5,366.02
  6. Step 6: Final answer
    x = 7,725.00

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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.