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Finding the Fourth Proportional to 32,486.88, 48,679.28 and 25,109.40

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Solution

The fourth proportional to 32,486.88, 48,679.28 and 25,109.40 is: 37,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,486.88 : 48,679.28 = 25,109.40 : x
  2. Step 2: Convert to fraction form
    32,486.88/48,679.28 = 25,109.40/x
  3. Step 3: Cross multiply
    32,486.88x = 48,679.28 × 25,109.40
  4. Step 4: Simplify right side
    32,486.88x = 1,222,307,513.23
  5. Step 5: Solve for x
    x = 1,222,307,513.23/32,486.88
  6. Step 6: Final answer
    x = 37,624.65

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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.