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Finding the Fourth Proportional to 2,295.60, 3,163.23 and 1,898.70

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Solution

The fourth proportional to 2,295.60, 3,163.23 and 1,898.70 is: 2,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.60 : 3,163.23 = 1,898.70 : x
  2. Step 2: Convert to fraction form
    2,295.60/3,163.23 = 1,898.70/x
  3. Step 3: Cross multiply
    2,295.60x = 3,163.23 × 1,898.70
  4. Step 4: Simplify right side
    2,295.60x = 6,006,024.80
  5. Step 5: Solve for x
    x = 6,006,024.80/2,295.60
  6. Step 6: Final answer
    x = 2,616.32

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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.