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Finding the Fourth Proportional to 24,980.76, 34,473.78 and 13,650.48

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Solution

The fourth proportional to 24,980.76, 34,473.78 and 13,650.48 is: 18,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,980.76 : 34,473.78 = 13,650.48 : x
  2. Step 2: Convert to fraction form
    24,980.76/34,473.78 = 13,650.48/x
  3. Step 3: Cross multiply
    24,980.76x = 34,473.78 × 13,650.48
  4. Step 4: Simplify right side
    24,980.76x = 470,583,644.41
  5. Step 5: Solve for x
    x = 470,583,644.41/24,980.76
  6. Step 6: Final answer
    x = 18,837.84

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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.