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Finding the Fourth Proportional to 3,605.70, 5,059.50 and 3,605.70

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Solution

The fourth proportional to 3,605.70, 5,059.50 and 3,605.70 is: 5,059.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.70 : 5,059.50 = 3,605.70 : x
  2. Step 2: Convert to fraction form
    3,605.70/5,059.50 = 3,605.70/x
  3. Step 3: Cross multiply
    3,605.70x = 5,059.50 × 3,605.70
  4. Step 4: Simplify right side
    3,605.70x = 18,243,039.15
  5. Step 5: Solve for x
    x = 18,243,039.15/3,605.70
  6. Step 6: Final answer
    x = 5,059.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.