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Finding the Fourth Proportional to 1,797.56, 2,480.14 and 1,011.56

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Solution

The fourth proportional to 1,797.56, 2,480.14 and 1,011.56 is: 1,395.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797.56 : 2,480.14 = 1,011.56 : x
  2. Step 2: Convert to fraction form
    1,797.56/2,480.14 = 1,011.56/x
  3. Step 3: Cross multiply
    1,797.56x = 2,480.14 × 1,011.56
  4. Step 4: Simplify right side
    1,797.56x = 2,508,810.42
  5. Step 5: Solve for x
    x = 2,508,810.42/1,797.56
  6. Step 6: Final answer
    x = 1,395.68

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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.