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Finding the Fourth Proportional to 35,645.20, 53,467.80 and 25,622.80

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Solution

The fourth proportional to 35,645.20, 53,467.80 and 25,622.80 is: 38,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.20 : 53,467.80 = 25,622.80 : x
  2. Step 2: Convert to fraction form
    35,645.20/53,467.80 = 25,622.80/x
  3. Step 3: Cross multiply
    35,645.20x = 53,467.80 × 25,622.80
  4. Step 4: Simplify right side
    35,645.20x = 1,369,994,745.84
  5. Step 5: Solve for x
    x = 1,369,994,745.84/35,645.20
  6. Step 6: Final answer
    x = 38,434.20

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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.