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Finding the Fourth Proportional to 64,149.45, 88,522.68 and 35,467.44

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Solution

The fourth proportional to 64,149.45, 88,522.68 and 35,467.44 is: 48,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,149.45 : 88,522.68 = 35,467.44 : x
  2. Step 2: Convert to fraction form
    64,149.45/88,522.68 = 35,467.44/x
  3. Step 3: Cross multiply
    64,149.45x = 88,522.68 × 35,467.44
  4. Step 4: Simplify right side
    64,149.45x = 3,139,672,841.54
  5. Step 5: Solve for x
    x = 3,139,672,841.54/64,149.45
  6. Step 6: Final answer
    x = 48,943.10

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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.