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Finding the Fourth Proportional to 47,136.26, 70,706.09 and 15,547.09

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Solution

The fourth proportional to 47,136.26, 70,706.09 and 15,547.09 is: 23,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,136.26 : 70,706.09 = 15,547.09 : x
  2. Step 2: Convert to fraction form
    47,136.26/70,706.09 = 15,547.09/x
  3. Step 3: Cross multiply
    47,136.26x = 70,706.09 × 15,547.09
  4. Step 4: Simplify right side
    47,136.26x = 1,099,273,944.78
  5. Step 5: Solve for x
    x = 1,099,273,944.78/47,136.26
  6. Step 6: Final answer
    x = 23,321.20

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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.