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Finding the Fourth Proportional to 8,541.54, 12,818.01 and 2,994.88

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Solution

The fourth proportional to 8,541.54, 12,818.01 and 2,994.88 is: 4,494.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.54 : 12,818.01 = 2,994.88 : x
  2. Step 2: Convert to fraction form
    8,541.54/12,818.01 = 2,994.88/x
  3. Step 3: Cross multiply
    8,541.54x = 12,818.01 × 2,994.88
  4. Step 4: Simplify right side
    8,541.54x = 38,388,401.79
  5. Step 5: Solve for x
    x = 38,388,401.79/8,541.54
  6. Step 6: Final answer
    x = 4,494.32

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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.