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Finding the Fourth Proportional to 4,378.70, 6,041.67 and 4,228.67

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Solution

The fourth proportional to 4,378.70, 6,041.67 and 4,228.67 is: 5,834.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.70 : 6,041.67 = 4,228.67 : x
  2. Step 2: Convert to fraction form
    4,378.70/6,041.67 = 4,228.67/x
  3. Step 3: Cross multiply
    4,378.70x = 6,041.67 × 4,228.67
  4. Step 4: Simplify right side
    4,378.70x = 25,548,228.68
  5. Step 5: Solve for x
    x = 25,548,228.68/4,378.70
  6. Step 6: Final answer
    x = 5,834.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.