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Finding the Fourth Proportional to 1,707.22, 2,557.48 and 886.04

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Solution

The fourth proportional to 1,707.22, 2,557.48 and 886.04 is: 1,327.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.22 : 2,557.48 = 886.04 : x
  2. Step 2: Convert to fraction form
    1,707.22/2,557.48 = 886.04/x
  3. Step 3: Cross multiply
    1,707.22x = 2,557.48 × 886.04
  4. Step 4: Simplify right side
    1,707.22x = 2,266,029.58
  5. Step 5: Solve for x
    x = 2,266,029.58/1,707.22
  6. Step 6: Final answer
    x = 1,327.32

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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.