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Finding the Fourth Proportional to 5,993.14, 8,978.76 and 4,345.60

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Solution

The fourth proportional to 5,993.14, 8,978.76 and 4,345.60 is: 6,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,993.14 : 8,978.76 = 4,345.60 : x
  2. Step 2: Convert to fraction form
    5,993.14/8,978.76 = 4,345.60/x
  3. Step 3: Cross multiply
    5,993.14x = 8,978.76 × 4,345.60
  4. Step 4: Simplify right side
    5,993.14x = 39,018,099.46
  5. Step 5: Solve for x
    x = 39,018,099.46/5,993.14
  6. Step 6: Final answer
    x = 6,510.46

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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.