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Finding the Fourth Proportional to 47,978.29, 66,261.68 and 36,525.61

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Solution

The fourth proportional to 47,978.29, 66,261.68 and 36,525.61 is: 50,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,978.29 : 66,261.68 = 36,525.61 : x
  2. Step 2: Convert to fraction form
    47,978.29/66,261.68 = 36,525.61/x
  3. Step 3: Cross multiply
    47,978.29x = 66,261.68 × 36,525.61
  4. Step 4: Simplify right side
    47,978.29x = 2,420,248,281.62
  5. Step 5: Solve for x
    x = 2,420,248,281.62/47,978.29
  6. Step 6: Final answer
    x = 50,444.65

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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.