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Finding the Fourth Proportional to 30,353.04, 41,893.92 and 16,929

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Solution

The fourth proportional to 30,353.04, 41,893.92 and 16,929 is: 23,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353.04 : 41,893.92 = 16,929 : x
  2. Step 2: Convert to fraction form
    30,353.04/41,893.92 = 16,929/x
  3. Step 3: Cross multiply
    30,353.04x = 41,893.92 × 16,929
  4. Step 4: Simplify right side
    30,353.04x = 709,222,171.68
  5. Step 5: Solve for x
    x = 709,222,171.68/30,353.04
  6. Step 6: Final answer
    x = 23,365.77

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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.