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Finding the Fourth Proportional to 34,901.98, 48,164.69 and 18,986.39

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Solution

The fourth proportional to 34,901.98, 48,164.69 and 18,986.39 is: 26,201.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,901.98 : 48,164.69 = 18,986.39 : x
  2. Step 2: Convert to fraction form
    34,901.98/48,164.69 = 18,986.39/x
  3. Step 3: Cross multiply
    34,901.98x = 48,164.69 × 18,986.39
  4. Step 4: Simplify right side
    34,901.98x = 914,473,575.83
  5. Step 5: Solve for x
    x = 914,473,575.83/34,901.98
  6. Step 6: Final answer
    x = 26,201.20

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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.