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Finding the Fourth Proportional to 51,662.72, 77,498.40 and 16,603.04

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Solution

The fourth proportional to 51,662.72, 77,498.40 and 16,603.04 is: 24,905.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,662.72 : 77,498.40 = 16,603.04 : x
  2. Step 2: Convert to fraction form
    51,662.72/77,498.40 = 16,603.04/x
  3. Step 3: Cross multiply
    51,662.72x = 77,498.40 × 16,603.04
  4. Step 4: Simplify right side
    51,662.72x = 1,286,709,035.14
  5. Step 5: Solve for x
    x = 1,286,709,035.14/51,662.72
  6. Step 6: Final answer
    x = 24,905.95

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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.