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Finding the Fourth Proportional to 5,010.70, 6,915.36 and 2,914.82

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Solution

The fourth proportional to 5,010.70, 6,915.36 and 2,914.82 is: 4,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.70 : 6,915.36 = 2,914.82 : x
  2. Step 2: Convert to fraction form
    5,010.70/6,915.36 = 2,914.82/x
  3. Step 3: Cross multiply
    5,010.70x = 6,915.36 × 2,914.82
  4. Step 4: Simplify right side
    5,010.70x = 20,157,029.64
  5. Step 5: Solve for x
    x = 20,157,029.64/5,010.70
  6. Step 6: Final answer
    x = 4,022.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.