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Finding the Fourth Proportional to 5,916.62, 8,161.86 and 4,798.82

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Solution

The fourth proportional to 5,916.62, 8,161.86 and 4,798.82 is: 6,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,916.62 : 8,161.86 = 4,798.82 : x
  2. Step 2: Convert to fraction form
    5,916.62/8,161.86 = 4,798.82/x
  3. Step 3: Cross multiply
    5,916.62x = 8,161.86 × 4,798.82
  4. Step 4: Simplify right side
    5,916.62x = 39,167,297.01
  5. Step 5: Solve for x
    x = 39,167,297.01/5,916.62
  6. Step 6: Final answer
    x = 6,619.88

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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.