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Finding the Fourth Proportional to 64,369.79, 96,568.61 and 26,419.16

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Solution

The fourth proportional to 64,369.79, 96,568.61 and 26,419.16 is: 39,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369.79 : 96,568.61 = 26,419.16 : x
  2. Step 2: Convert to fraction form
    64,369.79/96,568.61 = 26,419.16/x
  3. Step 3: Cross multiply
    64,369.79x = 96,568.61 × 26,419.16
  4. Step 4: Simplify right side
    64,369.79x = 2,551,261,667.89
  5. Step 5: Solve for x
    x = 2,551,261,667.89/64,369.79
  6. Step 6: Final answer
    x = 39,634.46

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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.