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Finding the Fourth Proportional to 3,300.06, 4,951.01 and 1,221.06

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Solution

The fourth proportional to 3,300.06, 4,951.01 and 1,221.06 is: 1,831.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,300.06 : 4,951.01 = 1,221.06 : x
  2. Step 2: Convert to fraction form
    3,300.06/4,951.01 = 1,221.06/x
  3. Step 3: Cross multiply
    3,300.06x = 4,951.01 × 1,221.06
  4. Step 4: Simplify right side
    3,300.06x = 6,045,480.27
  5. Step 5: Solve for x
    x = 6,045,480.27/3,300.06
  6. Step 6: Final answer
    x = 1,831.93

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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.