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Finding the Fourth Proportional to 52,874.40, 72,928.42 and 44,904

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Solution

The fourth proportional to 52,874.40, 72,928.42 and 44,904 is: 61,935.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,874.40 : 72,928.42 = 44,904 : x
  2. Step 2: Convert to fraction form
    52,874.40/72,928.42 = 44,904/x
  3. Step 3: Cross multiply
    52,874.40x = 72,928.42 × 44,904
  4. Step 4: Simplify right side
    52,874.40x = 3,274,777,771.68
  5. Step 5: Solve for x
    x = 3,274,777,771.68/52,874.40
  6. Step 6: Final answer
    x = 61,935.03

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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.