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Finding the Fourth Proportional to 6,253.74, 8,631.32 and 4,018.41

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Solution

The fourth proportional to 6,253.74, 8,631.32 and 4,018.41 is: 5,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.74 : 8,631.32 = 4,018.41 : x
  2. Step 2: Convert to fraction form
    6,253.74/8,631.32 = 4,018.41/x
  3. Step 3: Cross multiply
    6,253.74x = 8,631.32 × 4,018.41
  4. Step 4: Simplify right side
    6,253.74x = 34,684,162.51
  5. Step 5: Solve for x
    x = 34,684,162.51/6,253.74
  6. Step 6: Final answer
    x = 5,546.15

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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.