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Finding the Fourth Proportional to 64,072.97, 88,420.87 and 35,392.12

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Solution

The fourth proportional to 64,072.97, 88,420.87 and 35,392.12 is: 48,841.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,072.97 : 88,420.87 = 35,392.12 : x
  2. Step 2: Convert to fraction form
    64,072.97/88,420.87 = 35,392.12/x
  3. Step 3: Cross multiply
    64,072.97x = 88,420.87 × 35,392.12
  4. Step 4: Simplify right side
    64,072.97x = 3,129,401,864.73
  5. Step 5: Solve for x
    x = 3,129,401,864.73/64,072.97
  6. Step 6: Final answer
    x = 48,841.22

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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.