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Finding the Fourth Proportional to 5,377.61, 8,063.10 and 2,415.48

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Solution

The fourth proportional to 5,377.61, 8,063.10 and 2,415.48 is: 3,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.61 : 8,063.10 = 2,415.48 : x
  2. Step 2: Convert to fraction form
    5,377.61/8,063.10 = 2,415.48/x
  3. Step 3: Cross multiply
    5,377.61x = 8,063.10 × 2,415.48
  4. Step 4: Simplify right side
    5,377.61x = 19,476,256.79
  5. Step 5: Solve for x
    x = 19,476,256.79/5,377.61
  6. Step 6: Final answer
    x = 3,621.73

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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.