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Finding the Fourth Proportional to 18,699.01, 28,026.97 and 7,593.50

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Solution

The fourth proportional to 18,699.01, 28,026.97 and 7,593.50 is: 11,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699.01 : 28,026.97 = 7,593.50 : x
  2. Step 2: Convert to fraction form
    18,699.01/28,026.97 = 7,593.50/x
  3. Step 3: Cross multiply
    18,699.01x = 28,026.97 × 7,593.50
  4. Step 4: Simplify right side
    18,699.01x = 212,822,796.70
  5. Step 5: Solve for x
    x = 212,822,796.70/18,699.01
  6. Step 6: Final answer
    x = 11,381.50

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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.