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Finding the Fourth Proportional to 5,633.65, 7,774.90 and 3,275.63

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Solution

The fourth proportional to 5,633.65, 7,774.90 and 3,275.63 is: 4,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,633.65 : 7,774.90 = 3,275.63 : x
  2. Step 2: Convert to fraction form
    5,633.65/7,774.90 = 3,275.63/x
  3. Step 3: Cross multiply
    5,633.65x = 7,774.90 × 3,275.63
  4. Step 4: Simplify right side
    5,633.65x = 25,467,648.62
  5. Step 5: Solve for x
    x = 25,467,648.62/5,633.65
  6. Step 6: Final answer
    x = 4,520.63

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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.