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Finding the Fourth Proportional to 6,347.22, 9,504.42 and 4,378.92

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Solution

The fourth proportional to 6,347.22, 9,504.42 and 4,378.92 is: 6,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.22 : 9,504.42 = 4,378.92 : x
  2. Step 2: Convert to fraction form
    6,347.22/9,504.42 = 4,378.92/x
  3. Step 3: Cross multiply
    6,347.22x = 9,504.42 × 4,378.92
  4. Step 4: Simplify right side
    6,347.22x = 41,619,094.83
  5. Step 5: Solve for x
    x = 41,619,094.83/6,347.22
  6. Step 6: Final answer
    x = 6,557.06

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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.