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Finding the Fourth Proportional to 52,874.51, 72,979.55 and 35,907.03

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Solution

The fourth proportional to 52,874.51, 72,979.55 and 35,907.03 is: 49,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,874.51 : 72,979.55 = 35,907.03 : x
  2. Step 2: Convert to fraction form
    52,874.51/72,979.55 = 35,907.03/x
  3. Step 3: Cross multiply
    52,874.51x = 72,979.55 × 35,907.03
  4. Step 4: Simplify right side
    52,874.51x = 2,620,478,711.70
  5. Step 5: Solve for x
    x = 2,620,478,711.70/52,874.51
  6. Step 6: Final answer
    x = 49,560.35

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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.