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Finding the Fourth Proportional to 64,779.82, 97,169.72 and 37,058.38

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Solution

The fourth proportional to 64,779.82, 97,169.72 and 37,058.38 is: 55,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,779.82 : 97,169.72 = 37,058.38 : x
  2. Step 2: Convert to fraction form
    64,779.82/97,169.72 = 37,058.38/x
  3. Step 3: Cross multiply
    64,779.82x = 97,169.72 × 37,058.38
  4. Step 4: Simplify right side
    64,779.82x = 3,600,952,408.25
  5. Step 5: Solve for x
    x = 3,600,952,408.25/64,779.82
  6. Step 6: Final answer
    x = 55,587.56

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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.