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Finding the Fourth Proportional to 29,283.28, 43,926.14 and 8,506.78

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Solution

The fourth proportional to 29,283.28, 43,926.14 and 8,506.78 is: 12,760.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,283.28 : 43,926.14 = 8,506.78 : x
  2. Step 2: Convert to fraction form
    29,283.28/43,926.14 = 8,506.78/x
  3. Step 3: Cross multiply
    29,283.28x = 43,926.14 × 8,506.78
  4. Step 4: Simplify right side
    29,283.28x = 373,670,053.50
  5. Step 5: Solve for x
    x = 373,670,053.50/29,283.28
  6. Step 6: Final answer
    x = 12,760.53

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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.