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Finding the Fourth Proportional to 5,286.66, 7,915.23 and 4,059.06

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Solution

The fourth proportional to 5,286.66, 7,915.23 and 4,059.06 is: 6,077.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.66 : 7,915.23 = 4,059.06 : x
  2. Step 2: Convert to fraction form
    5,286.66/7,915.23 = 4,059.06/x
  3. Step 3: Cross multiply
    5,286.66x = 7,915.23 × 4,059.06
  4. Step 4: Simplify right side
    5,286.66x = 32,128,393.48
  5. Step 5: Solve for x
    x = 32,128,393.48/5,286.66
  6. Step 6: Final answer
    x = 6,077.26

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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.