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Finding the Fourth Proportional to 17,994.61, 26,991.92 and 9,223.93

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Solution

The fourth proportional to 17,994.61, 26,991.92 and 9,223.93 is: 13,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,994.61 : 26,991.92 = 9,223.93 : x
  2. Step 2: Convert to fraction form
    17,994.61/26,991.92 = 9,223.93/x
  3. Step 3: Cross multiply
    17,994.61x = 26,991.92 × 9,223.93
  4. Step 4: Simplify right side
    17,994.61x = 248,971,580.65
  5. Step 5: Solve for x
    x = 248,971,580.65/17,994.61
  6. Step 6: Final answer
    x = 13,835.90

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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.