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Finding the Fourth Proportional to 3,756.72, 5,635.04 and 1,564.44

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Solution

The fourth proportional to 3,756.72, 5,635.04 and 1,564.44 is: 2,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.72 : 5,635.04 = 1,564.44 : x
  2. Step 2: Convert to fraction form
    3,756.72/5,635.04 = 1,564.44/x
  3. Step 3: Cross multiply
    3,756.72x = 5,635.04 × 1,564.44
  4. Step 4: Simplify right side
    3,756.72x = 8,815,681.98
  5. Step 5: Solve for x
    x = 8,815,681.98/3,756.72
  6. Step 6: Final answer
    x = 2,346.64

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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.