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Finding the Fourth Proportional to 25,990.35, 35,866.66 and 14,053.66

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Solution

The fourth proportional to 25,990.35, 35,866.66 and 14,053.66 is: 19,394.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,990.35 : 35,866.66 = 14,053.66 : x
  2. Step 2: Convert to fraction form
    25,990.35/35,866.66 = 14,053.66/x
  3. Step 3: Cross multiply
    25,990.35x = 35,866.66 × 14,053.66
  4. Step 4: Simplify right side
    25,990.35x = 504,057,747.04
  5. Step 5: Solve for x
    x = 504,057,747.04/25,990.35
  6. Step 6: Final answer
    x = 19,394.03

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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.