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Finding the Fourth Proportional to 2,753.79, 4,131.03 and 904.44

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Solution

The fourth proportional to 2,753.79, 4,131.03 and 904.44 is: 1,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.79 : 4,131.03 = 904.44 : x
  2. Step 2: Convert to fraction form
    2,753.79/4,131.03 = 904.44/x
  3. Step 3: Cross multiply
    2,753.79x = 4,131.03 × 904.44
  4. Step 4: Simplify right side
    2,753.79x = 3,736,268.77
  5. Step 5: Solve for x
    x = 3,736,268.77/2,753.79
  6. Step 6: Final answer
    x = 1,356.77

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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.