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Finding the Fourth Proportional to 2,572.46, 3,858.71 and 624.66

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Solution

The fourth proportional to 2,572.46, 3,858.71 and 624.66 is: 937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.46 : 3,858.71 = 624.66 : x
  2. Step 2: Convert to fraction form
    2,572.46/3,858.71 = 624.66/x
  3. Step 3: Cross multiply
    2,572.46x = 3,858.71 × 624.66
  4. Step 4: Simplify right side
    2,572.46x = 2,410,378.67
  5. Step 5: Solve for x
    x = 2,410,378.67/2,572.46
  6. Step 6: Final answer
    x = 937.00

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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.