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Finding the Fourth Proportional to 4,958.55, 6,831.81 and 3,276.99

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Solution

The fourth proportional to 4,958.55, 6,831.81 and 3,276.99 is: 4,514.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.55 : 6,831.81 = 3,276.99 : x
  2. Step 2: Convert to fraction form
    4,958.55/6,831.81 = 3,276.99/x
  3. Step 3: Cross multiply
    4,958.55x = 6,831.81 × 3,276.99
  4. Step 4: Simplify right side
    4,958.55x = 22,387,773.05
  5. Step 5: Solve for x
    x = 22,387,773.05/4,958.55
  6. Step 6: Final answer
    x = 4,514.98

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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.