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Finding the Fourth Proportional to 64,399.49, 96,559.95 and 28,854.26

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Solution

The fourth proportional to 64,399.49, 96,559.95 and 28,854.26 is: 43,263.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,399.49 : 96,559.95 = 28,854.26 : x
  2. Step 2: Convert to fraction form
    64,399.49/96,559.95 = 28,854.26/x
  3. Step 3: Cross multiply
    64,399.49x = 96,559.95 × 28,854.26
  4. Step 4: Simplify right side
    64,399.49x = 2,786,165,902.89
  5. Step 5: Solve for x
    x = 2,786,165,902.89/64,399.49
  6. Step 6: Final answer
    x = 43,263.79

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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.