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Finding the Fourth Proportional to 33,203.70, 49,818.90 and 13,483.80

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Solution

The fourth proportional to 33,203.70, 49,818.90 and 13,483.80 is: 20,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,203.70 : 49,818.90 = 13,483.80 : x
  2. Step 2: Convert to fraction form
    33,203.70/49,818.90 = 13,483.80/x
  3. Step 3: Cross multiply
    33,203.70x = 49,818.90 × 13,483.80
  4. Step 4: Simplify right side
    33,203.70x = 671,748,083.82
  5. Step 5: Solve for x
    x = 671,748,083.82/33,203.70
  6. Step 6: Final answer
    x = 20,231.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.