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Finding the Fourth Proportional to 3,366.15, 5,048.81 and 901.11

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Solution

The fourth proportional to 3,366.15, 5,048.81 and 901.11 is: 1,351.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.15 : 5,048.81 = 901.11 : x
  2. Step 2: Convert to fraction form
    3,366.15/5,048.81 = 901.11/x
  3. Step 3: Cross multiply
    3,366.15x = 5,048.81 × 901.11
  4. Step 4: Simplify right side
    3,366.15x = 4,549,528.67
  5. Step 5: Solve for x
    x = 4,549,528.67/3,366.15
  6. Step 6: Final answer
    x = 1,351.55

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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.