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Finding the Fourth Proportional to 64,388.04, 96,609.60 and 26,956.86

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Solution

The fourth proportional to 64,388.04, 96,609.60 and 26,956.86 is: 40,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,388.04 : 96,609.60 = 26,956.86 : x
  2. Step 2: Convert to fraction form
    64,388.04/96,609.60 = 26,956.86/x
  3. Step 3: Cross multiply
    64,388.04x = 96,609.60 × 26,956.86
  4. Step 4: Simplify right side
    64,388.04x = 2,604,291,461.86
  5. Step 5: Solve for x
    x = 2,604,291,461.86/64,388.04
  6. Step 6: Final answer
    x = 40,446.82

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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.