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Finding the Fourth Proportional to 7,353.87, 11,008.90 and 4,423.29

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Solution

The fourth proportional to 7,353.87, 11,008.90 and 4,423.29 is: 6,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.87 : 11,008.90 = 4,423.29 : x
  2. Step 2: Convert to fraction form
    7,353.87/11,008.90 = 4,423.29/x
  3. Step 3: Cross multiply
    7,353.87x = 11,008.90 × 4,423.29
  4. Step 4: Simplify right side
    7,353.87x = 48,695,557.28
  5. Step 5: Solve for x
    x = 48,695,557.28/7,353.87
  6. Step 6: Final answer
    x = 6,621.76

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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.