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Finding the Fourth Proportional to 25,908.81, 35,754.11 and 14,578.32

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Solution

The fourth proportional to 25,908.81, 35,754.11 and 14,578.32 is: 20,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,908.81 : 35,754.11 = 14,578.32 : x
  2. Step 2: Convert to fraction form
    25,908.81/35,754.11 = 14,578.32/x
  3. Step 3: Cross multiply
    25,908.81x = 35,754.11 × 14,578.32
  4. Step 4: Simplify right side
    25,908.81x = 521,234,784.00
  5. Step 5: Solve for x
    x = 521,234,784.00/25,908.81
  6. Step 6: Final answer
    x = 20,118.05

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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.