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Finding the Fourth Proportional to 25,989.87, 35,866.05 and 14,053.20

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Solution

The fourth proportional to 25,989.87, 35,866.05 and 14,053.20 is: 19,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989.87 : 35,866.05 = 14,053.20 : x
  2. Step 2: Convert to fraction form
    25,989.87/35,866.05 = 14,053.20/x
  3. Step 3: Cross multiply
    25,989.87x = 35,866.05 × 14,053.20
  4. Step 4: Simplify right side
    25,989.87x = 504,032,788.41
  5. Step 5: Solve for x
    x = 504,032,788.41/25,989.87
  6. Step 6: Final answer
    x = 19,393.43

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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.