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Finding the Fourth Proportional to 61,693.92, 92,541.42 and 14,946.84

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Solution

The fourth proportional to 61,693.92, 92,541.42 and 14,946.84 is: 22,420.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,693.92 : 92,541.42 = 14,946.84 : x
  2. Step 2: Convert to fraction form
    61,693.92/92,541.42 = 14,946.84/x
  3. Step 3: Cross multiply
    61,693.92x = 92,541.42 × 14,946.84
  4. Step 4: Simplify right side
    61,693.92x = 1,383,201,798.11
  5. Step 5: Solve for x
    x = 1,383,201,798.11/61,693.92
  6. Step 6: Final answer
    x = 22,420.39

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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.