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Finding the Fourth Proportional to 7,898.58, 11,848.59 and 2,351.88

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Solution

The fourth proportional to 7,898.58, 11,848.59 and 2,351.88 is: 3,528.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.58 : 11,848.59 = 2,351.88 : x
  2. Step 2: Convert to fraction form
    7,898.58/11,848.59 = 2,351.88/x
  3. Step 3: Cross multiply
    7,898.58x = 11,848.59 × 2,351.88
  4. Step 4: Simplify right side
    7,898.58x = 27,866,461.85
  5. Step 5: Solve for x
    x = 27,866,461.85/7,898.58
  6. Step 6: Final answer
    x = 3,528.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.