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Finding the Fourth Proportional to 10,000.17, 13,799.03 and 5,523.57

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Solution

The fourth proportional to 10,000.17, 13,799.03 and 5,523.57 is: 7,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.17 : 13,799.03 = 5,523.57 : x
  2. Step 2: Convert to fraction form
    10,000.17/13,799.03 = 5,523.57/x
  3. Step 3: Cross multiply
    10,000.17x = 13,799.03 × 5,523.57
  4. Step 4: Simplify right side
    10,000.17x = 76,219,880.52
  5. Step 5: Solve for x
    x = 76,219,880.52/10,000.17
  6. Step 6: Final answer
    x = 7,621.86

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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.