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Finding the Fourth Proportional to 64,203.62, 96,270.15 and 19,818.14

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Solution

The fourth proportional to 64,203.62, 96,270.15 and 19,818.14 is: 29,716.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,203.62 : 96,270.15 = 19,818.14 : x
  2. Step 2: Convert to fraction form
    64,203.62/96,270.15 = 19,818.14/x
  3. Step 3: Cross multiply
    64,203.62x = 96,270.15 × 19,818.14
  4. Step 4: Simplify right side
    64,203.62x = 1,907,895,310.52
  5. Step 5: Solve for x
    x = 1,907,895,310.52/64,203.62
  6. Step 6: Final answer
    x = 29,716.32

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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.