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Finding the Fourth Proportional to 35,980.84, 49,649.94 and 20,063.80

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Solution

The fourth proportional to 35,980.84, 49,649.94 and 20,063.80 is: 27,686.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,980.84 : 49,649.94 = 20,063.80 : x
  2. Step 2: Convert to fraction form
    35,980.84/49,649.94 = 20,063.80/x
  3. Step 3: Cross multiply
    35,980.84x = 49,649.94 × 20,063.80
  4. Step 4: Simplify right side
    35,980.84x = 996,166,466.17
  5. Step 5: Solve for x
    x = 996,166,466.17/35,980.84
  6. Step 6: Final answer
    x = 27,686.03

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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.