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Finding the Fourth Proportional to 46,351, 69,531.63 and 14,749.99

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Solution

The fourth proportional to 46,351, 69,531.63 and 14,749.99 is: 22,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,351 : 69,531.63 = 14,749.99 : x
  2. Step 2: Convert to fraction form
    46,351/69,531.63 = 14,749.99/x
  3. Step 3: Cross multiply
    46,351x = 69,531.63 × 14,749.99
  4. Step 4: Simplify right side
    46,351x = 1,025,590,847.18
  5. Step 5: Solve for x
    x = 1,025,590,847.18/46,351
  6. Step 6: Final answer
    x = 22,126.62

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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.