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Finding the Fourth Proportional to 6,249.74, 8,624.54 and 3,417.12

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Solution

The fourth proportional to 6,249.74, 8,624.54 and 3,417.12 is: 4,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.74 : 8,624.54 = 3,417.12 : x
  2. Step 2: Convert to fraction form
    6,249.74/8,624.54 = 3,417.12/x
  3. Step 3: Cross multiply
    6,249.74x = 8,624.54 × 3,417.12
  4. Step 4: Simplify right side
    6,249.74x = 29,471,096.67
  5. Step 5: Solve for x
    x = 29,471,096.67/6,249.74
  6. Step 6: Final answer
    x = 4,715.58

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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.