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Finding the Fourth Proportional to 3,555.92, 5,333.88 and 1,365.68

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Solution

The fourth proportional to 3,555.92, 5,333.88 and 1,365.68 is: 2,048.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.92 : 5,333.88 = 1,365.68 : x
  2. Step 2: Convert to fraction form
    3,555.92/5,333.88 = 1,365.68/x
  3. Step 3: Cross multiply
    3,555.92x = 5,333.88 × 1,365.68
  4. Step 4: Simplify right side
    3,555.92x = 7,284,373.24
  5. Step 5: Solve for x
    x = 7,284,373.24/3,555.92
  6. Step 6: Final answer
    x = 2,048.52

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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.