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Finding the Fourth Proportional to 37,886.85, 56,830.56 and 16,821.22

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Solution

The fourth proportional to 37,886.85, 56,830.56 and 16,821.22 is: 25,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,886.85 : 56,830.56 = 16,821.22 : x
  2. Step 2: Convert to fraction form
    37,886.85/56,830.56 = 16,821.22/x
  3. Step 3: Cross multiply
    37,886.85x = 56,830.56 × 16,821.22
  4. Step 4: Simplify right side
    37,886.85x = 955,959,352.48
  5. Step 5: Solve for x
    x = 955,959,352.48/37,886.85
  6. Step 6: Final answer
    x = 25,231.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.