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Finding the Fourth Proportional to 10,333.59, 15,500.79 and 5,399.88

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Solution

The fourth proportional to 10,333.59, 15,500.79 and 5,399.88 is: 8,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.59 : 15,500.79 = 5,399.88 : x
  2. Step 2: Convert to fraction form
    10,333.59/15,500.79 = 5,399.88/x
  3. Step 3: Cross multiply
    10,333.59x = 15,500.79 × 5,399.88
  4. Step 4: Simplify right side
    10,333.59x = 83,702,405.91
  5. Step 5: Solve for x
    x = 83,702,405.91/10,333.59
  6. Step 6: Final answer
    x = 8,100.03

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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.