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Finding the Fourth Proportional to 2,354.75, 3,526.99 and 1,118.41

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Solution

The fourth proportional to 2,354.75, 3,526.99 and 1,118.41 is: 1,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.75 : 3,526.99 = 1,118.41 : x
  2. Step 2: Convert to fraction form
    2,354.75/3,526.99 = 1,118.41/x
  3. Step 3: Cross multiply
    2,354.75x = 3,526.99 × 1,118.41
  4. Step 4: Simplify right side
    2,354.75x = 3,944,615.56
  5. Step 5: Solve for x
    x = 3,944,615.56/2,354.75
  6. Step 6: Final answer
    x = 1,675.18

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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.