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Finding the Fourth Proportional to 3,373.47, 5,060.34 and 908.31

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Solution

The fourth proportional to 3,373.47, 5,060.34 and 908.31 is: 1,362.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,373.47 : 5,060.34 = 908.31 : x
  2. Step 2: Convert to fraction form
    3,373.47/5,060.34 = 908.31/x
  3. Step 3: Cross multiply
    3,373.47x = 5,060.34 × 908.31
  4. Step 4: Simplify right side
    3,373.47x = 4,596,357.43
  5. Step 5: Solve for x
    x = 4,596,357.43/3,373.47
  6. Step 6: Final answer
    x = 1,362.50

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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.