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Finding the Fourth Proportional to 29,987.20, 44,988.50 and 10,265.93

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Solution

The fourth proportional to 29,987.20, 44,988.50 and 10,265.93 is: 15,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.20 : 44,988.50 = 10,265.93 : x
  2. Step 2: Convert to fraction form
    29,987.20/44,988.50 = 10,265.93/x
  3. Step 3: Cross multiply
    29,987.20x = 44,988.50 × 10,265.93
  4. Step 4: Simplify right side
    29,987.20x = 461,848,791.81
  5. Step 5: Solve for x
    x = 461,848,791.81/29,987.20
  6. Step 6: Final answer
    x = 15,401.53

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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.