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Finding the Fourth Proportional to 73,666.20, 110,499.18 and 18,262.20

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Solution

The fourth proportional to 73,666.20, 110,499.18 and 18,262.20 is: 27,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,666.20 : 110,499.18 = 18,262.20 : x
  2. Step 2: Convert to fraction form
    73,666.20/110,499.18 = 18,262.20/x
  3. Step 3: Cross multiply
    73,666.20x = 110,499.18 × 18,262.20
  4. Step 4: Simplify right side
    73,666.20x = 2,017,958,125.00
  5. Step 5: Solve for x
    x = 2,017,958,125.00/73,666.20
  6. Step 6: Final answer
    x = 27,393.27

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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.