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Finding the Fourth Proportional to 9,399.62, 12,970.86 and 5,625.02

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Solution

The fourth proportional to 9,399.62, 12,970.86 and 5,625.02 is: 7,762.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,399.62 : 12,970.86 = 5,625.02 : x
  2. Step 2: Convert to fraction form
    9,399.62/12,970.86 = 5,625.02/x
  3. Step 3: Cross multiply
    9,399.62x = 12,970.86 × 5,625.02
  4. Step 4: Simplify right side
    9,399.62x = 72,961,346.92
  5. Step 5: Solve for x
    x = 72,961,346.92/9,399.62
  6. Step 6: Final answer
    x = 7,762.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.