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Finding the Fourth Proportional to 46,939.88, 64,776.03 and 25,718.69

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Solution

The fourth proportional to 46,939.88, 64,776.03 and 25,718.69 is: 35,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,939.88 : 64,776.03 = 25,718.69 : x
  2. Step 2: Convert to fraction form
    46,939.88/64,776.03 = 25,718.69/x
  3. Step 3: Cross multiply
    46,939.88x = 64,776.03 × 25,718.69
  4. Step 4: Simplify right side
    46,939.88x = 1,665,954,635.00
  5. Step 5: Solve for x
    x = 1,665,954,635.00/46,939.88
  6. Step 6: Final answer
    x = 35,491.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.