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Finding the Fourth Proportional to 32,058.72, 44,234.64 and 18,630

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Solution

The fourth proportional to 32,058.72, 44,234.64 and 18,630 is: 25,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,058.72 : 44,234.64 = 18,630 : x
  2. Step 2: Convert to fraction form
    32,058.72/44,234.64 = 18,630/x
  3. Step 3: Cross multiply
    32,058.72x = 44,234.64 × 18,630
  4. Step 4: Simplify right side
    32,058.72x = 824,091,343.20
  5. Step 5: Solve for x
    x = 824,091,343.20/32,058.72
  6. Step 6: Final answer
    x = 25,705.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.