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Finding the Fourth Proportional to 8,879.22, 12,243.72 and 6,047.04

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Solution

The fourth proportional to 8,879.22, 12,243.72 and 6,047.04 is: 8,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.22 : 12,243.72 = 6,047.04 : x
  2. Step 2: Convert to fraction form
    8,879.22/12,243.72 = 6,047.04/x
  3. Step 3: Cross multiply
    8,879.22x = 12,243.72 × 6,047.04
  4. Step 4: Simplify right side
    8,879.22x = 74,038,264.59
  5. Step 5: Solve for x
    x = 74,038,264.59/8,879.22
  6. Step 6: Final answer
    x = 8,338.37

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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.