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Finding the Fourth Proportional to 48,245.64, 72,243.80 and 33,298.86

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Solution

The fourth proportional to 48,245.64, 72,243.80 and 33,298.86 is: 49,862.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,245.64 : 72,243.80 = 33,298.86 : x
  2. Step 2: Convert to fraction form
    48,245.64/72,243.80 = 33,298.86/x
  3. Step 3: Cross multiply
    48,245.64x = 72,243.80 × 33,298.86
  4. Step 4: Simplify right side
    48,245.64x = 2,405,636,182.07
  5. Step 5: Solve for x
    x = 2,405,636,182.07/48,245.64
  6. Step 6: Final answer
    x = 49,862.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.