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Finding the Fourth Proportional to 4,788.36, 7,182.53 and 2,610.92

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Solution

The fourth proportional to 4,788.36, 7,182.53 and 2,610.92 is: 3,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.36 : 7,182.53 = 2,610.92 : x
  2. Step 2: Convert to fraction form
    4,788.36/7,182.53 = 2,610.92/x
  3. Step 3: Cross multiply
    4,788.36x = 7,182.53 × 2,610.92
  4. Step 4: Simplify right side
    4,788.36x = 18,753,011.23
  5. Step 5: Solve for x
    x = 18,753,011.23/4,788.36
  6. Step 6: Final answer
    x = 3,916.37

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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.