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Finding the Fourth Proportional to 32,310, 48,462.20 and 11,244.60

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Solution

The fourth proportional to 32,310, 48,462.20 and 11,244.60 is: 16,865.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,310 : 48,462.20 = 11,244.60 : x
  2. Step 2: Convert to fraction form
    32,310/48,462.20 = 11,244.60/x
  3. Step 3: Cross multiply
    32,310x = 48,462.20 × 11,244.60
  4. Step 4: Simplify right side
    32,310x = 544,938,040.06
  5. Step 5: Solve for x
    x = 544,938,040.06/32,310
  6. Step 6: Final answer
    x = 16,865.93

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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.