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Finding the Fourth Proportional to 37,885.94, 52,283.00 and 20,890.22

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Solution

The fourth proportional to 37,885.94, 52,283.00 and 20,890.22 is: 28,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,885.94 : 52,283.00 = 20,890.22 : x
  2. Step 2: Convert to fraction form
    37,885.94/52,283.00 = 20,890.22/x
  3. Step 3: Cross multiply
    37,885.94x = 52,283.00 × 20,890.22
  4. Step 4: Simplify right side
    37,885.94x = 1,092,203,555.19
  5. Step 5: Solve for x
    x = 1,092,203,555.19/37,885.94
  6. Step 6: Final answer
    x = 28,828.73

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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.