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Finding the Fourth Proportional to 32,610.88, 48,916.53 and 8,917.90

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Solution

The fourth proportional to 32,610.88, 48,916.53 and 8,917.90 is: 13,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,610.88 : 48,916.53 = 8,917.90 : x
  2. Step 2: Convert to fraction form
    32,610.88/48,916.53 = 8,917.90/x
  3. Step 3: Cross multiply
    32,610.88x = 48,916.53 × 8,917.90
  4. Step 4: Simplify right side
    32,610.88x = 436,232,655.55
  5. Step 5: Solve for x
    x = 436,232,655.55/32,610.88
  6. Step 6: Final answer
    x = 13,376.91

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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.