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Finding the Fourth Proportional to 4,951.84, 6,832.56 and 2,856.64

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Solution

The fourth proportional to 4,951.84, 6,832.56 and 2,856.64 is: 3,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.84 : 6,832.56 = 2,856.64 : x
  2. Step 2: Convert to fraction form
    4,951.84/6,832.56 = 2,856.64/x
  3. Step 3: Cross multiply
    4,951.84x = 6,832.56 × 2,856.64
  4. Step 4: Simplify right side
    4,951.84x = 19,518,164.20
  5. Step 5: Solve for x
    x = 19,518,164.20/4,951.84
  6. Step 6: Final answer
    x = 3,941.60

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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.