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Finding the Fourth Proportional to 1,844.19, 2,765.34 and 748.26

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Solution

The fourth proportional to 1,844.19, 2,765.34 and 748.26 is: 1,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,844.19 : 2,765.34 = 748.26 : x
  2. Step 2: Convert to fraction form
    1,844.19/2,765.34 = 748.26/x
  3. Step 3: Cross multiply
    1,844.19x = 2,765.34 × 748.26
  4. Step 4: Simplify right side
    1,844.19x = 2,069,193.31
  5. Step 5: Solve for x
    x = 2,069,193.31/1,844.19
  6. Step 6: Final answer
    x = 1,122.01

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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.