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Finding the Fourth Proportional to 4,993.48, 6,886.07 and 3,874.01

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Solution

The fourth proportional to 4,993.48, 6,886.07 and 3,874.01 is: 5,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.48 : 6,886.07 = 3,874.01 : x
  2. Step 2: Convert to fraction form
    4,993.48/6,886.07 = 3,874.01/x
  3. Step 3: Cross multiply
    4,993.48x = 6,886.07 × 3,874.01
  4. Step 4: Simplify right side
    4,993.48x = 26,676,704.04
  5. Step 5: Solve for x
    x = 26,676,704.04/4,993.48
  6. Step 6: Final answer
    x = 5,342.31

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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.