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Finding the Fourth Proportional to 6,354.66, 8,772.53 and 4,231.45

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Solution

The fourth proportional to 6,354.66, 8,772.53 and 4,231.45 is: 5,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,354.66 : 8,772.53 = 4,231.45 : x
  2. Step 2: Convert to fraction form
    6,354.66/8,772.53 = 4,231.45/x
  3. Step 3: Cross multiply
    6,354.66x = 8,772.53 × 4,231.45
  4. Step 4: Simplify right side
    6,354.66x = 37,120,522.07
  5. Step 5: Solve for x
    x = 37,120,522.07/6,354.66
  6. Step 6: Final answer
    x = 5,841.46

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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.