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Finding the Fourth Proportional to 1,461.09, 2,016.30 and 797.94

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Solution

The fourth proportional to 1,461.09, 2,016.30 and 797.94 is: 1,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.09 : 2,016.30 = 797.94 : x
  2. Step 2: Convert to fraction form
    1,461.09/2,016.30 = 797.94/x
  3. Step 3: Cross multiply
    1,461.09x = 2,016.30 × 797.94
  4. Step 4: Simplify right side
    1,461.09x = 1,608,886.42
  5. Step 5: Solve for x
    x = 1,608,886.42/1,461.09
  6. Step 6: Final answer
    x = 1,101.15

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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.