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Finding the Fourth Proportional to 22,349.84, 30,846.60 and 12,923.90

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Solution

The fourth proportional to 22,349.84, 30,846.60 and 12,923.90 is: 17,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,349.84 : 30,846.60 = 12,923.90 : x
  2. Step 2: Convert to fraction form
    22,349.84/30,846.60 = 12,923.90/x
  3. Step 3: Cross multiply
    22,349.84x = 30,846.60 × 12,923.90
  4. Step 4: Simplify right side
    22,349.84x = 398,658,373.74
  5. Step 5: Solve for x
    x = 398,658,373.74/22,349.84
  6. Step 6: Final answer
    x = 17,837.19

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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.