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Finding the Fourth Proportional to 16,994.42, 25,490.88 and 8,674.22

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Solution

The fourth proportional to 16,994.42, 25,490.88 and 8,674.22 is: 13,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,994.42 : 25,490.88 = 8,674.22 : x
  2. Step 2: Convert to fraction form
    16,994.42/25,490.88 = 8,674.22/x
  3. Step 3: Cross multiply
    16,994.42x = 25,490.88 × 8,674.22
  4. Step 4: Simplify right side
    16,994.42x = 221,113,501.11
  5. Step 5: Solve for x
    x = 221,113,501.11/16,994.42
  6. Step 6: Final answer
    x = 13,010.95

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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.