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Finding the Fourth Proportional to 2,536.22, 3,804.17 and 870.19

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Solution

The fourth proportional to 2,536.22, 3,804.17 and 870.19 is: 1,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,536.22 : 3,804.17 = 870.19 : x
  2. Step 2: Convert to fraction form
    2,536.22/3,804.17 = 870.19/x
  3. Step 3: Cross multiply
    2,536.22x = 3,804.17 × 870.19
  4. Step 4: Simplify right side
    2,536.22x = 3,310,336.83
  5. Step 5: Solve for x
    x = 3,310,336.83/2,536.22
  6. Step 6: Final answer
    x = 1,305.22

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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.