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Finding the Fourth Proportional to 64,590.85, 96,713.74 and 37,914.72

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Solution

The fourth proportional to 64,590.85, 96,713.74 and 37,914.72 is: 56,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,590.85 : 96,713.74 = 37,914.72 : x
  2. Step 2: Convert to fraction form
    64,590.85/96,713.74 = 37,914.72/x
  3. Step 3: Cross multiply
    64,590.85x = 96,713.74 × 37,914.72
  4. Step 4: Simplify right side
    64,590.85x = 3,666,874,372.25
  5. Step 5: Solve for x
    x = 3,666,874,372.25/64,590.85
  6. Step 6: Final answer
    x = 56,770.80

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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.