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Finding the Fourth Proportional to 29,985.60, 44,969.82 and 8,924.76

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Solution

The fourth proportional to 29,985.60, 44,969.82 and 8,924.76 is: 13,384.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,985.60 : 44,969.82 = 8,924.76 : x
  2. Step 2: Convert to fraction form
    29,985.60/44,969.82 = 8,924.76/x
  3. Step 3: Cross multiply
    29,985.60x = 44,969.82 × 8,924.76
  4. Step 4: Simplify right side
    29,985.60x = 401,344,850.74
  5. Step 5: Solve for x
    x = 401,344,850.74/29,985.60
  6. Step 6: Final answer
    x = 13,384.59

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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.