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Finding the Fourth Proportional to 32,605, 48,874.38 and 12,856.44

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Solution

The fourth proportional to 32,605, 48,874.38 and 12,856.44 is: 19,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,605 : 48,874.38 = 12,856.44 : x
  2. Step 2: Convert to fraction form
    32,605/48,874.38 = 12,856.44/x
  3. Step 3: Cross multiply
    32,605x = 48,874.38 × 12,856.44
  4. Step 4: Simplify right side
    32,605x = 628,350,534.01
  5. Step 5: Solve for x
    x = 628,350,534.01/32,605
  6. Step 6: Final answer
    x = 19,271.60

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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.