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Finding the Fourth Proportional to 33,937.80, 46,842.76 and 21,846.48

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Solution

The fourth proportional to 33,937.80, 46,842.76 and 21,846.48 is: 30,153.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,937.80 : 46,842.76 = 21,846.48 : x
  2. Step 2: Convert to fraction form
    33,937.80/46,842.76 = 21,846.48/x
  3. Step 3: Cross multiply
    33,937.80x = 46,842.76 × 21,846.48
  4. Step 4: Simplify right side
    33,937.80x = 1,023,349,419.48
  5. Step 5: Solve for x
    x = 1,023,349,419.48/33,937.80
  6. Step 6: Final answer
    x = 30,153.68

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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.