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Finding the Fourth Proportional to 8,948.14, 13,409.73 and 7,625.02

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Solution

The fourth proportional to 8,948.14, 13,409.73 and 7,625.02 is: 11,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.14 : 13,409.73 = 7,625.02 : x
  2. Step 2: Convert to fraction form
    8,948.14/13,409.73 = 7,625.02/x
  3. Step 3: Cross multiply
    8,948.14x = 13,409.73 × 7,625.02
  4. Step 4: Simplify right side
    8,948.14x = 102,249,459.44
  5. Step 5: Solve for x
    x = 102,249,459.44/8,948.14
  6. Step 6: Final answer
    x = 11,426.90

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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.