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Finding the Fourth Proportional to 4,887.72, 6,736.01 and 3,471.47

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Solution

The fourth proportional to 4,887.72, 6,736.01 and 3,471.47 is: 4,784.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.72 : 6,736.01 = 3,471.47 : x
  2. Step 2: Convert to fraction form
    4,887.72/6,736.01 = 3,471.47/x
  3. Step 3: Cross multiply
    4,887.72x = 6,736.01 × 3,471.47
  4. Step 4: Simplify right side
    4,887.72x = 23,383,856.63
  5. Step 5: Solve for x
    x = 23,383,856.63/4,887.72
  6. Step 6: Final answer
    x = 4,784.21

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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.