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Finding the Fourth Proportional to 73,864.65, 110,831.57 and 36,404.30

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Solution

The fourth proportional to 73,864.65, 110,831.57 and 36,404.30 is: 54,623.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,864.65 : 110,831.57 = 36,404.30 : x
  2. Step 2: Convert to fraction form
    73,864.65/110,831.57 = 36,404.30/x
  3. Step 3: Cross multiply
    73,864.65x = 110,831.57 × 36,404.30
  4. Step 4: Simplify right side
    73,864.65x = 4,034,745,500.55
  5. Step 5: Solve for x
    x = 4,034,745,500.55/73,864.65
  6. Step 6: Final answer
    x = 54,623.50

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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.