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Finding the Fourth Proportional to 2,849.60, 4,266.30 and 2,525.60

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Solution

The fourth proportional to 2,849.60, 4,266.30 and 2,525.60 is: 3,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.60 : 4,266.30 = 2,525.60 : x
  2. Step 2: Convert to fraction form
    2,849.60/4,266.30 = 2,525.60/x
  3. Step 3: Cross multiply
    2,849.60x = 4,266.30 × 2,525.60
  4. Step 4: Simplify right side
    2,849.60x = 10,774,967.28
  5. Step 5: Solve for x
    x = 10,774,967.28/2,849.60
  6. Step 6: Final answer
    x = 3,781.22

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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.