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Finding the Fourth Proportional to 4,874.17, 6,724.60 and 2,777.08

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Solution

The fourth proportional to 4,874.17, 6,724.60 and 2,777.08 is: 3,831.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.17 : 6,724.60 = 2,777.08 : x
  2. Step 2: Convert to fraction form
    4,874.17/6,724.60 = 2,777.08/x
  3. Step 3: Cross multiply
    4,874.17x = 6,724.60 × 2,777.08
  4. Step 4: Simplify right side
    4,874.17x = 18,674,752.17
  5. Step 5: Solve for x
    x = 18,674,752.17/4,874.17
  6. Step 6: Final answer
    x = 3,831.37

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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.