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Finding the Fourth Proportional to 4,858.59, 7,288.11 and 1,571.94

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Solution

The fourth proportional to 4,858.59, 7,288.11 and 1,571.94 is: 2,357.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858.59 : 7,288.11 = 1,571.94 : x
  2. Step 2: Convert to fraction form
    4,858.59/7,288.11 = 1,571.94/x
  3. Step 3: Cross multiply
    4,858.59x = 7,288.11 × 1,571.94
  4. Step 4: Simplify right side
    4,858.59x = 11,456,457.97
  5. Step 5: Solve for x
    x = 11,456,457.97/4,858.59
  6. Step 6: Final answer
    x = 2,357.98

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1.5x scale

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.