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Finding the Fourth Proportional to 32,600.48, 48,867.90 and 12,871.40

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Solution

The fourth proportional to 32,600.48, 48,867.90 and 12,871.40 is: 19,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,600.48 : 48,867.90 = 12,871.40 : x
  2. Step 2: Convert to fraction form
    32,600.48/48,867.90 = 12,871.40/x
  3. Step 3: Cross multiply
    32,600.48x = 48,867.90 × 12,871.40
  4. Step 4: Simplify right side
    32,600.48x = 628,998,288.06
  5. Step 5: Solve for x
    x = 628,998,288.06/32,600.48
  6. Step 6: Final answer
    x = 19,294.14

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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.