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Finding the Fourth Proportional to 32,363.68, 48,548.14 and 8,990.11

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Solution

The fourth proportional to 32,363.68, 48,548.14 and 8,990.11 is: 13,485.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,363.68 : 48,548.14 = 8,990.11 : x
  2. Step 2: Convert to fraction form
    32,363.68/48,548.14 = 8,990.11/x
  3. Step 3: Cross multiply
    32,363.68x = 48,548.14 × 8,990.11
  4. Step 4: Simplify right side
    32,363.68x = 436,453,118.90
  5. Step 5: Solve for x
    x = 436,453,118.90/32,363.68
  6. Step 6: Final answer
    x = 13,485.89

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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.