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Finding the Fourth Proportional to 2,396.51, 3,594.76 and 753.20

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Solution

The fourth proportional to 2,396.51, 3,594.76 and 753.20 is: 1,129.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.51 : 3,594.76 = 753.20 : x
  2. Step 2: Convert to fraction form
    2,396.51/3,594.76 = 753.20/x
  3. Step 3: Cross multiply
    2,396.51x = 3,594.76 × 753.20
  4. Step 4: Simplify right side
    2,396.51x = 2,707,573.23
  5. Step 5: Solve for x
    x = 2,707,573.23/2,396.51
  6. Step 6: Final answer
    x = 1,129.80

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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.