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Finding the Fourth Proportional to 68,594.64, 103,406.07 and 64,022.44

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Solution

The fourth proportional to 68,594.64, 103,406.07 and 64,022.44 is: 96,513.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,594.64 : 103,406.07 = 64,022.44 : x
  2. Step 2: Convert to fraction form
    68,594.64/103,406.07 = 64,022.44/x
  3. Step 3: Cross multiply
    68,594.64x = 103,406.07 × 64,022.44
  4. Step 4: Simplify right side
    68,594.64x = 6,620,308,912.21
  5. Step 5: Solve for x
    x = 6,620,308,912.21/68,594.64
  6. Step 6: Final answer
    x = 96,513.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.