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Finding the Fourth Proportional to 5,313.76, 7,973.66 and 5,028.73

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Solution

The fourth proportional to 5,313.76, 7,973.66 and 5,028.73 is: 7,545.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.76 : 7,973.66 = 5,028.73 : x
  2. Step 2: Convert to fraction form
    5,313.76/7,973.66 = 5,028.73/x
  3. Step 3: Cross multiply
    5,313.76x = 7,973.66 × 5,028.73
  4. Step 4: Simplify right side
    5,313.76x = 40,097,375.89
  5. Step 5: Solve for x
    x = 40,097,375.89/5,313.76
  6. Step 6: Final answer
    x = 7,545.96

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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.