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Finding the Fourth Proportional to 64,268.40, 88,689.42 and 35,975.10

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Solution

The fourth proportional to 64,268.40, 88,689.42 and 35,975.10 is: 49,645.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,268.40 : 88,689.42 = 35,975.10 : x
  2. Step 2: Convert to fraction form
    64,268.40/88,689.42 = 35,975.10/x
  3. Step 3: Cross multiply
    64,268.40x = 88,689.42 × 35,975.10
  4. Step 4: Simplify right side
    64,268.40x = 3,190,610,753.44
  5. Step 5: Solve for x
    x = 3,190,610,753.44/64,268.40
  6. Step 6: Final answer
    x = 49,645.09

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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.