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Finding the Fourth Proportional to 6,342.37, 8,747.16 and 4,752.75

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Solution

The fourth proportional to 6,342.37, 8,747.16 and 4,752.75 is: 6,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.37 : 8,747.16 = 4,752.75 : x
  2. Step 2: Convert to fraction form
    6,342.37/8,747.16 = 4,752.75/x
  3. Step 3: Cross multiply
    6,342.37x = 8,747.16 × 4,752.75
  4. Step 4: Simplify right side
    6,342.37x = 41,573,064.69
  5. Step 5: Solve for x
    x = 41,573,064.69/6,342.37
  6. Step 6: Final answer
    x = 6,554.82

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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.