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Finding the Fourth Proportional to 22,994.76, 31,731.84 and 12,924.03

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Solution

The fourth proportional to 22,994.76, 31,731.84 and 12,924.03 is: 17,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,994.76 : 31,731.84 = 12,924.03 : x
  2. Step 2: Convert to fraction form
    22,994.76/31,731.84 = 12,924.03/x
  3. Step 3: Cross multiply
    22,994.76x = 31,731.84 × 12,924.03
  4. Step 4: Simplify right side
    22,994.76x = 410,103,252.12
  5. Step 5: Solve for x
    x = 410,103,252.12/22,994.76
  6. Step 6: Final answer
    x = 17,834.64

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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.