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Finding the Fourth Proportional to 4,950.32, 6,831.45 and 2,854.44

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Solution

The fourth proportional to 4,950.32, 6,831.45 and 2,854.44 is: 3,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.32 : 6,831.45 = 2,854.44 : x
  2. Step 2: Convert to fraction form
    4,950.32/6,831.45 = 2,854.44/x
  3. Step 3: Cross multiply
    4,950.32x = 6,831.45 × 2,854.44
  4. Step 4: Simplify right side
    4,950.32x = 19,499,964.14
  5. Step 5: Solve for x
    x = 19,499,964.14/4,950.32
  6. Step 6: Final answer
    x = 3,939.14

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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.