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Finding the Fourth Proportional to 2,753.96, 3,803.58 and 1,868.22

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Solution

The fourth proportional to 2,753.96, 3,803.58 and 1,868.22 is: 2,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.96 : 3,803.58 = 1,868.22 : x
  2. Step 2: Convert to fraction form
    2,753.96/3,803.58 = 1,868.22/x
  3. Step 3: Cross multiply
    2,753.96x = 3,803.58 × 1,868.22
  4. Step 4: Simplify right side
    2,753.96x = 7,105,924.23
  5. Step 5: Solve for x
    x = 7,105,924.23/2,753.96
  6. Step 6: Final answer
    x = 2,580.26

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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.