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Finding the Fourth Proportional to 2,831.22, 4,246.98 and 883.32

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Solution

The fourth proportional to 2,831.22, 4,246.98 and 883.32 is: 1,325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831.22 : 4,246.98 = 883.32 : x
  2. Step 2: Convert to fraction form
    2,831.22/4,246.98 = 883.32/x
  3. Step 3: Cross multiply
    2,831.22x = 4,246.98 × 883.32
  4. Step 4: Simplify right side
    2,831.22x = 3,751,442.37
  5. Step 5: Solve for x
    x = 3,751,442.37/2,831.22
  6. Step 6: Final answer
    x = 1,325.03

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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.