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Finding the Fourth Proportional to 7,897.46, 11,902.52 and 7,897.46

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Solution

The fourth proportional to 7,897.46, 11,902.52 and 7,897.46 is: 11,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.46 : 11,902.52 = 7,897.46 : x
  2. Step 2: Convert to fraction form
    7,897.46/11,902.52 = 7,897.46/x
  3. Step 3: Cross multiply
    7,897.46x = 11,902.52 × 7,897.46
  4. Step 4: Simplify right side
    7,897.46x = 93,999,635.83
  5. Step 5: Solve for x
    x = 93,999,635.83/7,897.46
  6. Step 6: Final answer
    x = 11,902.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.