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Finding the Fourth Proportional to 30,322.46, 41,844.71 and 16,893.47

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Solution

The fourth proportional to 30,322.46, 41,844.71 and 16,893.47 is: 23,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,322.46 : 41,844.71 = 16,893.47 : x
  2. Step 2: Convert to fraction form
    30,322.46/41,844.71 = 16,893.47/x
  3. Step 3: Cross multiply
    30,322.46x = 41,844.71 × 16,893.47
  4. Step 4: Simplify right side
    30,322.46x = 706,902,186.05
  5. Step 5: Solve for x
    x = 706,902,186.05/30,322.46
  6. Step 6: Final answer
    x = 23,312.83

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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.