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Finding the Fourth Proportional to 34,656.39, 51,990.99 and 10,969.89

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Solution

The fourth proportional to 34,656.39, 51,990.99 and 10,969.89 is: 16,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,656.39 : 51,990.99 = 10,969.89 : x
  2. Step 2: Convert to fraction form
    34,656.39/51,990.99 = 10,969.89/x
  3. Step 3: Cross multiply
    34,656.39x = 51,990.99 × 10,969.89
  4. Step 4: Simplify right side
    34,656.39x = 570,335,441.29
  5. Step 5: Solve for x
    x = 570,335,441.29/34,656.39
  6. Step 6: Final answer
    x = 16,456.86

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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.