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Finding the Fourth Proportional to 30,365.98, 41,904.94 and 16,937.22

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Solution

The fourth proportional to 30,365.98, 41,904.94 and 16,937.22 is: 23,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,365.98 : 41,904.94 = 16,937.22 : x
  2. Step 2: Convert to fraction form
    30,365.98/41,904.94 = 16,937.22/x
  3. Step 3: Cross multiply
    30,365.98x = 41,904.94 × 16,937.22
  4. Step 4: Simplify right side
    30,365.98x = 709,753,216.57
  5. Step 5: Solve for x
    x = 709,753,216.57/30,365.98
  6. Step 6: Final answer
    x = 23,373.30

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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.