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Finding the Fourth Proportional to 48,498.68, 72,673.74 and 32,645.08

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Solution

The fourth proportional to 48,498.68, 72,673.74 and 32,645.08 is: 48,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,498.68 : 72,673.74 = 32,645.08 : x
  2. Step 2: Convert to fraction form
    48,498.68/72,673.74 = 32,645.08/x
  3. Step 3: Cross multiply
    48,498.68x = 72,673.74 × 32,645.08
  4. Step 4: Simplify right side
    48,498.68x = 2,372,440,056.20
  5. Step 5: Solve for x
    x = 2,372,440,056.20/48,498.68
  6. Step 6: Final answer
    x = 48,917.62

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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.