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Finding the Fourth Proportional to 69,604.67, 96,004.79 and 63,880.57

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Solution

The fourth proportional to 69,604.67, 96,004.79 and 63,880.57 is: 88,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,604.67 : 96,004.79 = 63,880.57 : x
  2. Step 2: Convert to fraction form
    69,604.67/96,004.79 = 63,880.57/x
  3. Step 3: Cross multiply
    69,604.67x = 96,004.79 × 63,880.57
  4. Step 4: Simplify right side
    69,604.67x = 6,132,840,567.39
  5. Step 5: Solve for x
    x = 6,132,840,567.39/69,604.67
  6. Step 6: Final answer
    x = 88,109.62

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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.