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Finding the Fourth Proportional to 29,989.67, 44,946.70 and 15,202.31

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Solution

The fourth proportional to 29,989.67, 44,946.70 and 15,202.31 is: 22,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,989.67 : 44,946.70 = 15,202.31 : x
  2. Step 2: Convert to fraction form
    29,989.67/44,946.70 = 15,202.31/x
  3. Step 3: Cross multiply
    29,989.67x = 44,946.70 × 15,202.31
  4. Step 4: Simplify right side
    29,989.67x = 683,293,404.14
  5. Step 5: Solve for x
    x = 683,293,404.14/29,989.67
  6. Step 6: Final answer
    x = 22,784.30

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1.5x scale

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.