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Finding the Fourth Proportional to 12,078.04, 16,658.98 and 7,362.52

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Solution

The fourth proportional to 12,078.04, 16,658.98 and 7,362.52 is: 10,154.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078.04 : 16,658.98 = 7,362.52 : x
  2. Step 2: Convert to fraction form
    12,078.04/16,658.98 = 7,362.52/x
  3. Step 3: Cross multiply
    12,078.04x = 16,658.98 × 7,362.52
  4. Step 4: Simplify right side
    12,078.04x = 122,652,073.43
  5. Step 5: Solve for x
    x = 122,652,073.43/12,078.04
  6. Step 6: Final answer
    x = 10,154.96

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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.