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Finding the Fourth Proportional to 32,929, 45,442.74 and 18,025

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Solution

The fourth proportional to 32,929, 45,442.74 and 18,025 is: 24,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,929 : 45,442.74 = 18,025 : x
  2. Step 2: Convert to fraction form
    32,929/45,442.74 = 18,025/x
  3. Step 3: Cross multiply
    32,929x = 45,442.74 × 18,025
  4. Step 4: Simplify right side
    32,929x = 819,105,388.50
  5. Step 5: Solve for x
    x = 819,105,388.50/32,929
  6. Step 6: Final answer
    x = 24,874.89

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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.