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Finding the Fourth Proportional to 64,354.56, 96,530.40 and 17,606.88

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Solution

The fourth proportional to 64,354.56, 96,530.40 and 17,606.88 is: 26,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,354.56 : 96,530.40 = 17,606.88 : x
  2. Step 2: Convert to fraction form
    64,354.56/96,530.40 = 17,606.88/x
  3. Step 3: Cross multiply
    64,354.56x = 96,530.40 × 17,606.88
  4. Step 4: Simplify right side
    64,354.56x = 1,699,599,169.15
  5. Step 5: Solve for x
    x = 1,699,599,169.15/64,354.56
  6. Step 6: Final answer
    x = 26,409.93

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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.