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Finding the Fourth Proportional to 6,442.58, 9,662.95 and 2,059.46

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Solution

The fourth proportional to 6,442.58, 9,662.95 and 2,059.46 is: 3,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.58 : 9,662.95 = 2,059.46 : x
  2. Step 2: Convert to fraction form
    6,442.58/9,662.95 = 2,059.46/x
  3. Step 3: Cross multiply
    6,442.58x = 9,662.95 × 2,059.46
  4. Step 4: Simplify right side
    6,442.58x = 19,900,459.01
  5. Step 5: Solve for x
    x = 19,900,459.01/6,442.58
  6. Step 6: Final answer
    x = 3,088.90

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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.