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Finding the Fourth Proportional to 6,718.56, 9,272.52 and 4,625.52

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Solution

The fourth proportional to 6,718.56, 9,272.52 and 4,625.52 is: 6,383.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.56 : 9,272.52 = 4,625.52 : x
  2. Step 2: Convert to fraction form
    6,718.56/9,272.52 = 4,625.52/x
  3. Step 3: Cross multiply
    6,718.56x = 9,272.52 × 4,625.52
  4. Step 4: Simplify right side
    6,718.56x = 42,890,226.71
  5. Step 5: Solve for x
    x = 42,890,226.71/6,718.56
  6. Step 6: Final answer
    x = 6,383.84

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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.