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Finding the Fourth Proportional to 52,791.84, 79,587.18 and 49,934.16

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Solution

The fourth proportional to 52,791.84, 79,587.18 and 49,934.16 is: 75,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,791.84 : 79,587.18 = 49,934.16 : x
  2. Step 2: Convert to fraction form
    52,791.84/79,587.18 = 49,934.16/x
  3. Step 3: Cross multiply
    52,791.84x = 79,587.18 × 49,934.16
  4. Step 4: Simplify right side
    52,791.84x = 3,974,118,980.07
  5. Step 5: Solve for x
    x = 3,974,118,980.07/52,791.84
  6. Step 6: Final answer
    x = 75,279.04

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.