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Finding the Fourth Proportional to 2,710.60, 3,737.54 and 2,211.70

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Solution

The fourth proportional to 2,710.60, 3,737.54 and 2,211.70 is: 3,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,710.60 : 3,737.54 = 2,211.70 : x
  2. Step 2: Convert to fraction form
    2,710.60/3,737.54 = 2,211.70/x
  3. Step 3: Cross multiply
    2,710.60x = 3,737.54 × 2,211.70
  4. Step 4: Simplify right side
    2,710.60x = 8,266,317.22
  5. Step 5: Solve for x
    x = 8,266,317.22/2,710.60
  6. Step 6: Final answer
    x = 3,049.63

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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.