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Finding the Fourth Proportional to 63,728.54, 95,605.58 and 35,688.48

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Solution

The fourth proportional to 63,728.54, 95,605.58 and 35,688.48 is: 53,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,728.54 : 95,605.58 = 35,688.48 : x
  2. Step 2: Convert to fraction form
    63,728.54/95,605.58 = 35,688.48/x
  3. Step 3: Cross multiply
    63,728.54x = 95,605.58 × 35,688.48
  4. Step 4: Simplify right side
    63,728.54x = 3,412,017,829.72
  5. Step 5: Solve for x
    x = 3,412,017,829.72/63,728.54
  6. Step 6: Final answer
    x = 53,539.87

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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.