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Finding the Fourth Proportional to 57,636.93, 86,287.28 and 35,382.86

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Solution

The fourth proportional to 57,636.93, 86,287.28 and 35,382.86 is: 52,971.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,636.93 : 86,287.28 = 35,382.86 : x
  2. Step 2: Convert to fraction form
    57,636.93/86,287.28 = 35,382.86/x
  3. Step 3: Cross multiply
    57,636.93x = 86,287.28 × 35,382.86
  4. Step 4: Simplify right side
    57,636.93x = 3,053,090,463.25
  5. Step 5: Solve for x
    x = 3,053,090,463.25/57,636.93
  6. Step 6: Final answer
    x = 52,971.08

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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.