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Finding the Fourth Proportional to 37,885.97, 52,283.00 and 20,890.88

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Solution

The fourth proportional to 37,885.97, 52,283.00 and 20,890.88 is: 28,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,885.97 : 52,283.00 = 20,890.88 : x
  2. Step 2: Convert to fraction form
    37,885.97/52,283.00 = 20,890.88/x
  3. Step 3: Cross multiply
    37,885.97x = 52,283.00 × 20,890.88
  4. Step 4: Simplify right side
    37,885.97x = 1,092,237,513.17
  5. Step 5: Solve for x
    x = 1,092,237,513.17/37,885.97
  6. Step 6: Final answer
    x = 28,829.61

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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.