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Finding the Fourth Proportional to 61,717.32, 92,579.19 and 19,600.74

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Solution

The fourth proportional to 61,717.32, 92,579.19 and 19,600.74 is: 29,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,717.32 : 92,579.19 = 19,600.74 : x
  2. Step 2: Convert to fraction form
    61,717.32/92,579.19 = 19,600.74/x
  3. Step 3: Cross multiply
    61,717.32x = 92,579.19 × 19,600.74
  4. Step 4: Simplify right side
    61,717.32x = 1,814,620,632.60
  5. Step 5: Solve for x
    x = 1,814,620,632.60/61,717.32
  6. Step 6: Final answer
    x = 29,402.13

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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.