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Finding the Fourth Proportional to 58,432, 80,636.16 and 33,296.08

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Solution

The fourth proportional to 58,432, 80,636.16 and 33,296.08 is: 45,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,432 : 80,636.16 = 33,296.08 : x
  2. Step 2: Convert to fraction form
    58,432/80,636.16 = 33,296.08/x
  3. Step 3: Cross multiply
    58,432x = 80,636.16 × 33,296.08
  4. Step 4: Simplify right side
    58,432x = 2,684,868,034.25
  5. Step 5: Solve for x
    x = 2,684,868,034.25/58,432
  6. Step 6: Final answer
    x = 45,948.59

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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.