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Finding the Fourth Proportional to 29,687.76, 44,527.51 and 7,499.78

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Solution

The fourth proportional to 29,687.76, 44,527.51 and 7,499.78 is: 11,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,687.76 : 44,527.51 = 7,499.78 : x
  2. Step 2: Convert to fraction form
    29,687.76/44,527.51 = 7,499.78/x
  3. Step 3: Cross multiply
    29,687.76x = 44,527.51 × 7,499.78
  4. Step 4: Simplify right side
    29,687.76x = 333,946,528.95
  5. Step 5: Solve for x
    x = 333,946,528.95/29,687.76
  6. Step 6: Final answer
    x = 11,248.63

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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.