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Finding the Fourth Proportional to 4,950.65, 6,831.47 and 2,712.49

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Solution

The fourth proportional to 4,950.65, 6,831.47 and 2,712.49 is: 3,743.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.65 : 6,831.47 = 2,712.49 : x
  2. Step 2: Convert to fraction form
    4,950.65/6,831.47 = 2,712.49/x
  3. Step 3: Cross multiply
    4,950.65x = 6,831.47 × 2,712.49
  4. Step 4: Simplify right side
    4,950.65x = 18,530,283.76
  5. Step 5: Solve for x
    x = 18,530,283.76/4,950.65
  6. Step 6: Final answer
    x = 3,743.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.