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Finding the Fourth Proportional to 57,867.62, 79,854.55 and 36,368.51

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Solution

The fourth proportional to 57,867.62, 79,854.55 and 36,368.51 is: 50,186.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,867.62 : 79,854.55 = 36,368.51 : x
  2. Step 2: Convert to fraction form
    57,867.62/79,854.55 = 36,368.51/x
  3. Step 3: Cross multiply
    57,867.62x = 79,854.55 × 36,368.51
  4. Step 4: Simplify right side
    57,867.62x = 2,904,191,108.94
  5. Step 5: Solve for x
    x = 2,904,191,108.94/57,867.62
  6. Step 6: Final answer
    x = 50,186.81

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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.