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Finding the Fourth Proportional to 61,859.76, 92,798.78 and 22,407.68

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Solution

The fourth proportional to 61,859.76, 92,798.78 and 22,407.68 is: 33,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,859.76 : 92,798.78 = 22,407.68 : x
  2. Step 2: Convert to fraction form
    61,859.76/92,798.78 = 22,407.68/x
  3. Step 3: Cross multiply
    61,859.76x = 92,798.78 × 22,407.68
  4. Step 4: Simplify right side
    61,859.76x = 2,079,404,790.60
  5. Step 5: Solve for x
    x = 2,079,404,790.60/61,859.76
  6. Step 6: Final answer
    x = 33,614.82

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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.