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Finding the Fourth Proportional to 64,152, 96,247.44 and 22,608.72

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Solution

The fourth proportional to 64,152, 96,247.44 and 22,608.72 is: 33,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152 : 96,247.44 = 22,608.72 : x
  2. Step 2: Convert to fraction form
    64,152/96,247.44 = 22,608.72/x
  3. Step 3: Cross multiply
    64,152x = 96,247.44 × 22,608.72
  4. Step 4: Simplify right side
    64,152x = 2,176,031,421.68
  5. Step 5: Solve for x
    x = 2,176,031,421.68/64,152
  6. Step 6: Final answer
    x = 33,919.93

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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.