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Finding the Fourth Proportional to 5,003.68, 7,505.54 and 1,716.80

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Solution

The fourth proportional to 5,003.68, 7,505.54 and 1,716.80 is: 2,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.68 : 7,505.54 = 1,716.80 : x
  2. Step 2: Convert to fraction form
    5,003.68/7,505.54 = 1,716.80/x
  3. Step 3: Cross multiply
    5,003.68x = 7,505.54 × 1,716.80
  4. Step 4: Simplify right side
    5,003.68x = 12,885,511.07
  5. Step 5: Solve for x
    x = 12,885,511.07/5,003.68
  6. Step 6: Final answer
    x = 2,575.21

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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.