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Finding the Fourth Proportional to 34,900.66, 48,161.52 and 18,985.10

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Solution

The fourth proportional to 34,900.66, 48,161.52 and 18,985.10 is: 26,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,900.66 : 48,161.52 = 18,985.10 : x
  2. Step 2: Convert to fraction form
    34,900.66/48,161.52 = 18,985.10/x
  3. Step 3: Cross multiply
    34,900.66x = 48,161.52 × 18,985.10
  4. Step 4: Simplify right side
    34,900.66x = 914,351,273.35
  5. Step 5: Solve for x
    x = 914,351,273.35/34,900.66
  6. Step 6: Final answer
    x = 26,198.68

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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.