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Finding the Fourth Proportional to 4,997.88, 7,496.37 and 1,877.76

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Solution

The fourth proportional to 4,997.88, 7,496.37 and 1,877.76 is: 2,816.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.88 : 7,496.37 = 1,877.76 : x
  2. Step 2: Convert to fraction form
    4,997.88/7,496.37 = 1,877.76/x
  3. Step 3: Cross multiply
    4,997.88x = 7,496.37 × 1,877.76
  4. Step 4: Simplify right side
    4,997.88x = 14,076,383.73
  5. Step 5: Solve for x
    x = 14,076,383.73/4,997.88
  6. Step 6: Final answer
    x = 2,816.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.