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Finding the Fourth Proportional to 3,711.70, 5,545.73 and 3,582.49

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Solution

The fourth proportional to 3,711.70, 5,545.73 and 3,582.49 is: 5,352.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.70 : 5,545.73 = 3,582.49 : x
  2. Step 2: Convert to fraction form
    3,711.70/5,545.73 = 3,582.49/x
  3. Step 3: Cross multiply
    3,711.70x = 5,545.73 × 3,582.49
  4. Step 4: Simplify right side
    3,711.70x = 19,867,522.27
  5. Step 5: Solve for x
    x = 19,867,522.27/3,711.70
  6. Step 6: Final answer
    x = 5,352.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.