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Finding the Fourth Proportional to 29,648.64, 44,477.82 and 12,113.76

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Solution

The fourth proportional to 29,648.64, 44,477.82 and 12,113.76 is: 18,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,648.64 : 44,477.82 = 12,113.76 : x
  2. Step 2: Convert to fraction form
    29,648.64/44,477.82 = 12,113.76/x
  3. Step 3: Cross multiply
    29,648.64x = 44,477.82 × 12,113.76
  4. Step 4: Simplify right side
    29,648.64x = 538,793,636.80
  5. Step 5: Solve for x
    x = 538,793,636.80/29,648.64
  6. Step 6: Final answer
    x = 18,172.63

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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.