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Finding the Fourth Proportional to 3,666.64, 5,496.56 and 1,356.48

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Solution

The fourth proportional to 3,666.64, 5,496.56 and 1,356.48 is: 2,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.64 : 5,496.56 = 1,356.48 : x
  2. Step 2: Convert to fraction form
    3,666.64/5,496.56 = 1,356.48/x
  3. Step 3: Cross multiply
    3,666.64x = 5,496.56 × 1,356.48
  4. Step 4: Simplify right side
    3,666.64x = 7,455,973.71
  5. Step 5: Solve for x
    x = 7,455,973.71/3,666.64
  6. Step 6: Final answer
    x = 2,033.46

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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.