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Finding the Fourth Proportional to 5,333.53, 8,000.42 and 4,238.67

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Solution

The fourth proportional to 5,333.53, 8,000.42 and 4,238.67 is: 6,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.53 : 8,000.42 = 4,238.67 : x
  2. Step 2: Convert to fraction form
    5,333.53/8,000.42 = 4,238.67/x
  3. Step 3: Cross multiply
    5,333.53x = 8,000.42 × 4,238.67
  4. Step 4: Simplify right side
    5,333.53x = 33,911,140.24
  5. Step 5: Solve for x
    x = 33,911,140.24/5,333.53
  6. Step 6: Final answer
    x = 6,358.10

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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.