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Finding the Fourth Proportional to 13,799.01, 20,700.59 and 6,404.24

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Solution

The fourth proportional to 13,799.01, 20,700.59 and 6,404.24 is: 9,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.01 : 20,700.59 = 6,404.24 : x
  2. Step 2: Convert to fraction form
    13,799.01/20,700.59 = 6,404.24/x
  3. Step 3: Cross multiply
    13,799.01x = 20,700.59 × 6,404.24
  4. Step 4: Simplify right side
    13,799.01x = 132,571,410.98
  5. Step 5: Solve for x
    x = 132,571,410.98/13,799.01
  6. Step 6: Final answer
    x = 9,607.31

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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.