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Finding the Fourth Proportional to 3,736.70, 5,602.45 and 1,655.57

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Solution

The fourth proportional to 3,736.70, 5,602.45 and 1,655.57 is: 2,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736.70 : 5,602.45 = 1,655.57 : x
  2. Step 2: Convert to fraction form
    3,736.70/5,602.45 = 1,655.57/x
  3. Step 3: Cross multiply
    3,736.70x = 5,602.45 × 1,655.57
  4. Step 4: Simplify right side
    3,736.70x = 9,275,239.87
  5. Step 5: Solve for x
    x = 9,275,239.87/3,736.70
  6. Step 6: Final answer
    x = 2,482.20

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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.