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Finding the Fourth Proportional to 8,873.16, 12,245.01 and 4,894.20

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Solution

The fourth proportional to 8,873.16, 12,245.01 and 4,894.20 is: 6,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,873.16 : 12,245.01 = 4,894.20 : x
  2. Step 2: Convert to fraction form
    8,873.16/12,245.01 = 4,894.20/x
  3. Step 3: Cross multiply
    8,873.16x = 12,245.01 × 4,894.20
  4. Step 4: Simplify right side
    8,873.16x = 59,929,527.94
  5. Step 5: Solve for x
    x = 59,929,527.94/8,873.16
  6. Step 6: Final answer
    x = 6,754.02

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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.