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Finding the Fourth Proportional to 35,967.97, 49,622.78 and 20,852.30

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Solution

The fourth proportional to 35,967.97, 49,622.78 and 20,852.30 is: 28,768.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,967.97 : 49,622.78 = 20,852.30 : x
  2. Step 2: Convert to fraction form
    35,967.97/49,622.78 = 20,852.30/x
  3. Step 3: Cross multiply
    35,967.97x = 49,622.78 × 20,852.30
  4. Step 4: Simplify right side
    35,967.97x = 1,034,749,154.29
  5. Step 5: Solve for x
    x = 1,034,749,154.29/35,967.97
  6. Step 6: Final answer
    x = 28,768.63

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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.