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Finding the Fourth Proportional to 8,884.96, 12,249.84 and 6,085.60

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Solution

The fourth proportional to 8,884.96, 12,249.84 and 6,085.60 is: 8,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.96 : 12,249.84 = 6,085.60 : x
  2. Step 2: Convert to fraction form
    8,884.96/12,249.84 = 6,085.60/x
  3. Step 3: Cross multiply
    8,884.96x = 12,249.84 × 6,085.60
  4. Step 4: Simplify right side
    8,884.96x = 74,547,626.30
  5. Step 5: Solve for x
    x = 74,547,626.30/8,884.96
  6. Step 6: Final answer
    x = 8,390.32

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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.