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Finding the Fourth Proportional to 58,795.80, 81,136.98 and 33,300.24

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Solution

The fourth proportional to 58,795.80, 81,136.98 and 33,300.24 is: 45,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,795.80 : 81,136.98 = 33,300.24 : x
  2. Step 2: Convert to fraction form
    58,795.80/81,136.98 = 33,300.24/x
  3. Step 3: Cross multiply
    58,795.80x = 81,136.98 × 33,300.24
  4. Step 4: Simplify right side
    58,795.80x = 2,701,880,906.88
  5. Step 5: Solve for x
    x = 2,701,880,906.88/58,795.80
  6. Step 6: Final answer
    x = 45,953.64

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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.