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Finding the Fourth Proportional to 6,374.16, 8,796.54 and 3,856.74

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Solution

The fourth proportional to 6,374.16, 8,796.54 and 3,856.74 is: 5,322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374.16 : 8,796.54 = 3,856.74 : x
  2. Step 2: Convert to fraction form
    6,374.16/8,796.54 = 3,856.74/x
  3. Step 3: Cross multiply
    6,374.16x = 8,796.54 × 3,856.74
  4. Step 4: Simplify right side
    6,374.16x = 33,925,923.70
  5. Step 5: Solve for x
    x = 33,925,923.70/6,374.16
  6. Step 6: Final answer
    x = 5,322.41

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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.