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Finding the Fourth Proportional to 2,690.96, 4,035.18 and 1,595.48

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Solution

The fourth proportional to 2,690.96, 4,035.18 and 1,595.48 is: 2,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.96 : 4,035.18 = 1,595.48 : x
  2. Step 2: Convert to fraction form
    2,690.96/4,035.18 = 1,595.48/x
  3. Step 3: Cross multiply
    2,690.96x = 4,035.18 × 1,595.48
  4. Step 4: Simplify right side
    2,690.96x = 6,438,048.99
  5. Step 5: Solve for x
    x = 6,438,048.99/2,690.96
  6. Step 6: Final answer
    x = 2,392.47

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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.