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Finding the Fourth Proportional to 1,460.99, 2,016.20 and 797.85

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Solution

The fourth proportional to 1,460.99, 2,016.20 and 797.85 is: 1,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.99 : 2,016.20 = 797.85 : x
  2. Step 2: Convert to fraction form
    1,460.99/2,016.20 = 797.85/x
  3. Step 3: Cross multiply
    1,460.99x = 2,016.20 × 797.85
  4. Step 4: Simplify right side
    1,460.99x = 1,608,627.16
  5. Step 5: Solve for x
    x = 1,608,627.16/1,460.99
  6. Step 6: Final answer
    x = 1,101.05

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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.