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Finding the Fourth Proportional to 14,821.74, 22,231.98 and 4,291.74

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Solution

The fourth proportional to 14,821.74, 22,231.98 and 4,291.74 is: 6,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821.74 : 22,231.98 = 4,291.74 : x
  2. Step 2: Convert to fraction form
    14,821.74/22,231.98 = 4,291.74/x
  3. Step 3: Cross multiply
    14,821.74x = 22,231.98 × 4,291.74
  4. Step 4: Simplify right side
    14,821.74x = 95,413,877.85
  5. Step 5: Solve for x
    x = 95,413,877.85/14,821.74
  6. Step 6: Final answer
    x = 6,437.43

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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.