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Finding the Fourth Proportional to 29,900.88, 44,851.32 and 12,351.42

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Solution

The fourth proportional to 29,900.88, 44,851.32 and 12,351.42 is: 18,527.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,900.88 : 44,851.32 = 12,351.42 : x
  2. Step 2: Convert to fraction form
    29,900.88/44,851.32 = 12,351.42/x
  3. Step 3: Cross multiply
    29,900.88x = 44,851.32 × 12,351.42
  4. Step 4: Simplify right side
    29,900.88x = 553,977,490.87
  5. Step 5: Solve for x
    x = 553,977,490.87/29,900.88
  6. Step 6: Final answer
    x = 18,527.13

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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.