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Finding the Fourth Proportional to 63,960.30, 95,940.45 and 40,632.30

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Solution

The fourth proportional to 63,960.30, 95,940.45 and 40,632.30 is: 60,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,960.30 : 95,940.45 = 40,632.30 : x
  2. Step 2: Convert to fraction form
    63,960.30/95,940.45 = 40,632.30/x
  3. Step 3: Cross multiply
    63,960.30x = 95,940.45 × 40,632.30
  4. Step 4: Simplify right side
    63,960.30x = 3,898,281,146.54
  5. Step 5: Solve for x
    x = 3,898,281,146.54/63,960.30
  6. Step 6: Final answer
    x = 60,948.45

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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.