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Finding the Fourth Proportional to 3,026.32, 4,539.51 and 835.08

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Solution

The fourth proportional to 3,026.32, 4,539.51 and 835.08 is: 1,252.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,026.32 : 4,539.51 = 835.08 : x
  2. Step 2: Convert to fraction form
    3,026.32/4,539.51 = 835.08/x
  3. Step 3: Cross multiply
    3,026.32x = 4,539.51 × 835.08
  4. Step 4: Simplify right side
    3,026.32x = 3,790,854.01
  5. Step 5: Solve for x
    x = 3,790,854.01/3,026.32
  6. Step 6: Final answer
    x = 1,252.63

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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.