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Finding the Fourth Proportional to 6,393.60, 8,823.06 and 3,741.12

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Solution

The fourth proportional to 6,393.60, 8,823.06 and 3,741.12 is: 5,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.60 : 8,823.06 = 3,741.12 : x
  2. Step 2: Convert to fraction form
    6,393.60/8,823.06 = 3,741.12/x
  3. Step 3: Cross multiply
    6,393.60x = 8,823.06 × 3,741.12
  4. Step 4: Simplify right side
    6,393.60x = 33,008,126.23
  5. Step 5: Solve for x
    x = 33,008,126.23/6,393.60
  6. Step 6: Final answer
    x = 5,162.68

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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.