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Finding the Fourth Proportional to 32,751, 45,195.12 and 18,602.34

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Solution

The fourth proportional to 32,751, 45,195.12 and 18,602.34 is: 25,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,751 : 45,195.12 = 18,602.34 : x
  2. Step 2: Convert to fraction form
    32,751/45,195.12 = 18,602.34/x
  3. Step 3: Cross multiply
    32,751x = 45,195.12 × 18,602.34
  4. Step 4: Simplify right side
    32,751x = 840,734,988.58
  5. Step 5: Solve for x
    x = 840,734,988.58/32,751
  6. Step 6: Final answer
    x = 25,670.51

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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.