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Finding the Fourth Proportional to 73,697.37, 110,545.62 and 21,106.86

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Solution

The fourth proportional to 73,697.37, 110,545.62 and 21,106.86 is: 31,660.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,697.37 : 110,545.62 = 21,106.86 : x
  2. Step 2: Convert to fraction form
    73,697.37/110,545.62 = 21,106.86/x
  3. Step 3: Cross multiply
    73,697.37x = 110,545.62 × 21,106.86
  4. Step 4: Simplify right side
    73,697.37x = 2,333,270,924.95
  5. Step 5: Solve for x
    x = 2,333,270,924.95/73,697.37
  6. Step 6: Final answer
    x = 31,660.17

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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.