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Finding the Fourth Proportional to 50,068.56, 69,103.08 and 28,860.15

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Solution

The fourth proportional to 50,068.56, 69,103.08 and 28,860.15 is: 39,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,068.56 : 69,103.08 = 28,860.15 : x
  2. Step 2: Convert to fraction form
    50,068.56/69,103.08 = 28,860.15/x
  3. Step 3: Cross multiply
    50,068.56x = 69,103.08 × 28,860.15
  4. Step 4: Simplify right side
    50,068.56x = 1,994,325,254.26
  5. Step 5: Solve for x
    x = 1,994,325,254.26/50,068.56
  6. Step 6: Final answer
    x = 39,831.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.