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Finding the Fourth Proportional to 64,784.69, 97,189.29 and 25,339.31

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Solution

The fourth proportional to 64,784.69, 97,189.29 and 25,339.31 is: 38,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,784.69 : 97,189.29 = 25,339.31 : x
  2. Step 2: Convert to fraction form
    64,784.69/97,189.29 = 25,339.31/x
  3. Step 3: Cross multiply
    64,784.69x = 97,189.29 × 25,339.31
  4. Step 4: Simplify right side
    64,784.69x = 2,462,709,790.96
  5. Step 5: Solve for x
    x = 2,462,709,790.96/64,784.69
  6. Step 6: Final answer
    x = 38,013.76

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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.