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Finding the Fourth Proportional to 2,133.74, 3,200.63 and 900.37

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Solution

The fourth proportional to 2,133.74, 3,200.63 and 900.37 is: 1,350.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133.74 : 3,200.63 = 900.37 : x
  2. Step 2: Convert to fraction form
    2,133.74/3,200.63 = 900.37/x
  3. Step 3: Cross multiply
    2,133.74x = 3,200.63 × 900.37
  4. Step 4: Simplify right side
    2,133.74x = 2,881,751.23
  5. Step 5: Solve for x
    x = 2,881,751.23/2,133.74
  6. Step 6: Final answer
    x = 1,350.56

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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.