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Finding the Fourth Proportional to 35,960.39, 53,940.54 and 9,665.12

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Solution

The fourth proportional to 35,960.39, 53,940.54 and 9,665.12 is: 14,497.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,960.39 : 53,940.54 = 9,665.12 : x
  2. Step 2: Convert to fraction form
    35,960.39/53,940.54 = 9,665.12/x
  3. Step 3: Cross multiply
    35,960.39x = 53,940.54 × 9,665.12
  4. Step 4: Simplify right side
    35,960.39x = 521,341,791.96
  5. Step 5: Solve for x
    x = 521,341,791.96/35,960.39
  6. Step 6: Final answer
    x = 14,497.67

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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.