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Finding the Fourth Proportional to 4,788.55, 7,182.90 and 1,501.67

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Solution

The fourth proportional to 4,788.55, 7,182.90 and 1,501.67 is: 2,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.55 : 7,182.90 = 1,501.67 : x
  2. Step 2: Convert to fraction form
    4,788.55/7,182.90 = 1,501.67/x
  3. Step 3: Cross multiply
    4,788.55x = 7,182.90 × 1,501.67
  4. Step 4: Simplify right side
    4,788.55x = 10,786,367.62
  5. Step 5: Solve for x
    x = 10,786,367.62/4,788.55
  6. Step 6: Final answer
    x = 2,252.53

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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.