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Finding the Fourth Proportional to 46,308, 69,465.28 and 18,606

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Solution

The fourth proportional to 46,308, 69,465.28 and 18,606 is: 27,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,308 : 69,465.28 = 18,606 : x
  2. Step 2: Convert to fraction form
    46,308/69,465.28 = 18,606/x
  3. Step 3: Cross multiply
    46,308x = 69,465.28 × 18,606
  4. Step 4: Simplify right side
    46,308x = 1,292,470,999.68
  5. Step 5: Solve for x
    x = 1,292,470,999.68/46,308
  6. Step 6: Final answer
    x = 27,910.32

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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.