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Finding the Fourth Proportional to 58,769.50, 81,136.52 and 35,807.99

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Solution

The fourth proportional to 58,769.50, 81,136.52 and 35,807.99 is: 49,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,769.50 : 81,136.52 = 35,807.99 : x
  2. Step 2: Convert to fraction form
    58,769.50/81,136.52 = 35,807.99/x
  3. Step 3: Cross multiply
    58,769.50x = 81,136.52 × 35,807.99
  4. Step 4: Simplify right side
    58,769.50x = 2,905,335,696.79
  5. Step 5: Solve for x
    x = 2,905,335,696.79/58,769.50
  6. Step 6: Final answer
    x = 49,436.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.