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Finding the Fourth Proportional to 9,994.26, 14,956.02 and 8,623.74

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Solution

The fourth proportional to 9,994.26, 14,956.02 and 8,623.74 is: 12,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.26 : 14,956.02 = 8,623.74 : x
  2. Step 2: Convert to fraction form
    9,994.26/14,956.02 = 8,623.74/x
  3. Step 3: Cross multiply
    9,994.26x = 14,956.02 × 8,623.74
  4. Step 4: Simplify right side
    9,994.26x = 128,976,827.91
  5. Step 5: Solve for x
    x = 128,976,827.91/9,994.26
  6. Step 6: Final answer
    x = 12,905.09

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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.