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Finding the Fourth Proportional to 29,911.16, 44,873.34 and 9,136.28

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Solution

The fourth proportional to 29,911.16, 44,873.34 and 9,136.28 is: 13,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,911.16 : 44,873.34 = 9,136.28 : x
  2. Step 2: Convert to fraction form
    29,911.16/44,873.34 = 9,136.28/x
  3. Step 3: Cross multiply
    29,911.16x = 44,873.34 × 9,136.28
  4. Step 4: Simplify right side
    29,911.16x = 409,975,398.78
  5. Step 5: Solve for x
    x = 409,975,398.78/29,911.16
  6. Step 6: Final answer
    x = 13,706.44

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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.