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Finding the Fourth Proportional to 73,585.82, 110,395.13 and 20,995.76

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Solution

The fourth proportional to 73,585.82, 110,395.13 and 20,995.76 is: 31,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,585.82 : 110,395.13 = 20,995.76 : x
  2. Step 2: Convert to fraction form
    73,585.82/110,395.13 = 20,995.76/x
  3. Step 3: Cross multiply
    73,585.82x = 110,395.13 × 20,995.76
  4. Step 4: Simplify right side
    73,585.82x = 2,317,828,997.69
  5. Step 5: Solve for x
    x = 2,317,828,997.69/73,585.82
  6. Step 6: Final answer
    x = 31,498.31

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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.