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Finding the Fourth Proportional to 2,063.76, 2,846.15 and 1,609.63

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Solution

The fourth proportional to 2,063.76, 2,846.15 and 1,609.63 is: 2,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063.76 : 2,846.15 = 1,609.63 : x
  2. Step 2: Convert to fraction form
    2,063.76/2,846.15 = 1,609.63/x
  3. Step 3: Cross multiply
    2,063.76x = 2,846.15 × 1,609.63
  4. Step 4: Simplify right side
    2,063.76x = 4,581,248.42
  5. Step 5: Solve for x
    x = 4,581,248.42/2,063.76
  6. Step 6: Final answer
    x = 2,219.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.