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Finding the Fourth Proportional to 6,878.56, 9,492.44 and 3,734.80

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Solution

The fourth proportional to 6,878.56, 9,492.44 and 3,734.80 is: 5,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.56 : 9,492.44 = 3,734.80 : x
  2. Step 2: Convert to fraction form
    6,878.56/9,492.44 = 3,734.80/x
  3. Step 3: Cross multiply
    6,878.56x = 9,492.44 × 3,734.80
  4. Step 4: Simplify right side
    6,878.56x = 35,452,364.91
  5. Step 5: Solve for x
    x = 35,452,364.91/6,878.56
  6. Step 6: Final answer
    x = 5,154.04

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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.