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Finding the Fourth Proportional to 36,195.84, 49,948.92 and 21,089.34

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Solution

The fourth proportional to 36,195.84, 49,948.92 and 21,089.34 is: 29,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,195.84 : 49,948.92 = 21,089.34 : x
  2. Step 2: Convert to fraction form
    36,195.84/49,948.92 = 21,089.34/x
  3. Step 3: Cross multiply
    36,195.84x = 49,948.92 × 21,089.34
  4. Step 4: Simplify right side
    36,195.84x = 1,053,389,756.51
  5. Step 5: Solve for x
    x = 1,053,389,756.51/36,195.84
  6. Step 6: Final answer
    x = 29,102.51

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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.