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Finding the Fourth Proportional to 29,988.63, 44,989.83 and 10,267.16

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Solution

The fourth proportional to 29,988.63, 44,989.83 and 10,267.16 is: 15,403.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,988.63 : 44,989.83 = 10,267.16 : x
  2. Step 2: Convert to fraction form
    29,988.63/44,989.83 = 10,267.16/x
  3. Step 3: Cross multiply
    29,988.63x = 44,989.83 × 10,267.16
  4. Step 4: Simplify right side
    29,988.63x = 461,917,558.03
  5. Step 5: Solve for x
    x = 461,917,558.03/29,988.63
  6. Step 6: Final answer
    x = 15,403.09

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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.