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Finding the Fourth Proportional to 73,772.32, 110,606.64 and 27,019.12

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Solution

The fourth proportional to 73,772.32, 110,606.64 and 27,019.12 is: 40,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,772.32 : 110,606.64 = 27,019.12 : x
  2. Step 2: Convert to fraction form
    73,772.32/110,606.64 = 27,019.12/x
  3. Step 3: Cross multiply
    73,772.32x = 110,606.64 × 27,019.12
  4. Step 4: Simplify right side
    73,772.32x = 2,988,494,078.96
  5. Step 5: Solve for x
    x = 2,988,494,078.96/73,772.32
  6. Step 6: Final answer
    x = 40,509.69

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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.