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Finding the Fourth Proportional to 25,695.58, 38,550.10 and 10,905.10

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Solution

The fourth proportional to 25,695.58, 38,550.10 and 10,905.10 is: 16,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.58 : 38,550.10 = 10,905.10 : x
  2. Step 2: Convert to fraction form
    25,695.58/38,550.10 = 10,905.10/x
  3. Step 3: Cross multiply
    25,695.58x = 38,550.10 × 10,905.10
  4. Step 4: Simplify right side
    25,695.58x = 420,392,695.51
  5. Step 5: Solve for x
    x = 420,392,695.51/25,695.58
  6. Step 6: Final answer
    x = 16,360.51

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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.