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Finding the Fourth Proportional to 34,802.46, 48,026.52 and 20,655

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Solution

The fourth proportional to 34,802.46, 48,026.52 and 20,655 is: 28,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,802.46 : 48,026.52 = 20,655 : x
  2. Step 2: Convert to fraction form
    34,802.46/48,026.52 = 20,655/x
  3. Step 3: Cross multiply
    34,802.46x = 48,026.52 × 20,655
  4. Step 4: Simplify right side
    34,802.46x = 991,987,770.60
  5. Step 5: Solve for x
    x = 991,987,770.60/34,802.46
  6. Step 6: Final answer
    x = 28,503.38

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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.