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Finding the Fourth Proportional to 73,629.14, 110,443.72 and 18,225.14

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Solution

The fourth proportional to 73,629.14, 110,443.72 and 18,225.14 is: 27,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,629.14 : 110,443.72 = 18,225.14 : x
  2. Step 2: Convert to fraction form
    73,629.14/110,443.72 = 18,225.14/x
  3. Step 3: Cross multiply
    73,629.14x = 110,443.72 × 18,225.14
  4. Step 4: Simplify right side
    73,629.14x = 2,012,852,259.12
  5. Step 5: Solve for x
    x = 2,012,852,259.12/73,629.14
  6. Step 6: Final answer
    x = 27,337.71

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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.