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Finding the Fourth Proportional to 18,404.53, 27,602.34 and 8,534.29

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Solution

The fourth proportional to 18,404.53, 27,602.34 and 8,534.29 is: 12,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,404.53 : 27,602.34 = 8,534.29 : x
  2. Step 2: Convert to fraction form
    18,404.53/27,602.34 = 8,534.29/x
  3. Step 3: Cross multiply
    18,404.53x = 27,602.34 × 8,534.29
  4. Step 4: Simplify right side
    18,404.53x = 235,566,374.24
  5. Step 5: Solve for x
    x = 235,566,374.24/18,404.53
  6. Step 6: Final answer
    x = 12,799.37

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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.