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Finding the Fourth Proportional to 2,763.59, 4,145.99 and 1,532.79

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Solution

The fourth proportional to 2,763.59, 4,145.99 and 1,532.79 is: 2,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.59 : 4,145.99 = 1,532.79 : x
  2. Step 2: Convert to fraction form
    2,763.59/4,145.99 = 1,532.79/x
  3. Step 3: Cross multiply
    2,763.59x = 4,145.99 × 1,532.79
  4. Step 4: Simplify right side
    2,763.59x = 6,354,924.35
  5. Step 5: Solve for x
    x = 6,354,924.35/2,763.59
  6. Step 6: Final answer
    x = 2,299.52

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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.