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Finding the Fourth Proportional to 5,062.76, 7,590.54 and 1,940.13

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Solution

The fourth proportional to 5,062.76, 7,590.54 and 1,940.13 is: 2,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,062.76 : 7,590.54 = 1,940.13 : x
  2. Step 2: Convert to fraction form
    5,062.76/7,590.54 = 1,940.13/x
  3. Step 3: Cross multiply
    5,062.76x = 7,590.54 × 1,940.13
  4. Step 4: Simplify right side
    5,062.76x = 14,726,634.37
  5. Step 5: Solve for x
    x = 14,726,634.37/5,062.76
  6. Step 6: Final answer
    x = 2,908.81

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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.