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Finding the Fourth Proportional to 35,897.76, 49,537.71 and 19,982.88

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Solution

The fourth proportional to 35,897.76, 49,537.71 and 19,982.88 is: 27,575.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,897.76 : 49,537.71 = 19,982.88 : x
  2. Step 2: Convert to fraction form
    35,897.76/49,537.71 = 19,982.88/x
  3. Step 3: Cross multiply
    35,897.76x = 49,537.71 × 19,982.88
  4. Step 4: Simplify right side
    35,897.76x = 989,906,114.40
  5. Step 5: Solve for x
    x = 989,906,114.40/35,897.76
  6. Step 6: Final answer
    x = 27,575.71

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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.