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Finding the Fourth Proportional to 58,696.36, 80,988.52 and 34,830.80

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Solution

The fourth proportional to 58,696.36, 80,988.52 and 34,830.80 is: 48,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,696.36 : 80,988.52 = 34,830.80 : x
  2. Step 2: Convert to fraction form
    58,696.36/80,988.52 = 34,830.80/x
  3. Step 3: Cross multiply
    58,696.36x = 80,988.52 × 34,830.80
  4. Step 4: Simplify right side
    58,696.36x = 2,820,894,942.42
  5. Step 5: Solve for x
    x = 2,820,894,942.42/58,696.36
  6. Step 6: Final answer
    x = 48,059.11

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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.