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Finding the Fourth Proportional to 4,858.73, 6,688.83 and 4,635.56

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Solution

The fourth proportional to 4,858.73, 6,688.83 and 4,635.56 is: 6,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858.73 : 6,688.83 = 4,635.56 : x
  2. Step 2: Convert to fraction form
    4,858.73/6,688.83 = 4,635.56/x
  3. Step 3: Cross multiply
    4,858.73x = 6,688.83 × 4,635.56
  4. Step 4: Simplify right side
    4,858.73x = 31,006,472.79
  5. Step 5: Solve for x
    x = 31,006,472.79/4,858.73
  6. Step 6: Final answer
    x = 6,381.60

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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.