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Finding the Fourth Proportional to 29,688.52, 44,528.64 and 7,500.52

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Solution

The fourth proportional to 29,688.52, 44,528.64 and 7,500.52 is: 11,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.52 : 44,528.64 = 7,500.52 : x
  2. Step 2: Convert to fraction form
    29,688.52/44,528.64 = 7,500.52/x
  3. Step 3: Cross multiply
    29,688.52x = 44,528.64 × 7,500.52
  4. Step 4: Simplify right side
    29,688.52x = 333,987,954.89
  5. Step 5: Solve for x
    x = 333,987,954.89/29,688.52
  6. Step 6: Final answer
    x = 11,249.73

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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.