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Finding the Fourth Proportional to 64,596.90, 96,676.65 and 56,723.70

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Solution

The fourth proportional to 64,596.90, 96,676.65 and 56,723.70 is: 84,893.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,596.90 : 96,676.65 = 56,723.70 : x
  2. Step 2: Convert to fraction form
    64,596.90/96,676.65 = 56,723.70/x
  3. Step 3: Cross multiply
    64,596.90x = 96,676.65 × 56,723.70
  4. Step 4: Simplify right side
    64,596.90x = 5,483,857,291.61
  5. Step 5: Solve for x
    x = 5,483,857,291.61/64,596.90
  6. Step 6: Final answer
    x = 84,893.51

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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.