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Finding the Fourth Proportional to 61,384.88, 92,076.91 and 15,792.51

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Solution

The fourth proportional to 61,384.88, 92,076.91 and 15,792.51 is: 23,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,384.88 : 92,076.91 = 15,792.51 : x
  2. Step 2: Convert to fraction form
    61,384.88/92,076.91 = 15,792.51/x
  3. Step 3: Cross multiply
    61,384.88x = 92,076.91 × 15,792.51
  4. Step 4: Simplify right side
    61,384.88x = 1,454,125,571.30
  5. Step 5: Solve for x
    x = 1,454,125,571.30/61,384.88
  6. Step 6: Final answer
    x = 23,688.66

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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.