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Finding the Fourth Proportional to 46,687.88, 64,427.30 and 25,465.88

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Solution

The fourth proportional to 46,687.88, 64,427.30 and 25,465.88 is: 35,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,687.88 : 64,427.30 = 25,465.88 : x
  2. Step 2: Convert to fraction form
    46,687.88/64,427.30 = 25,465.88/x
  3. Step 3: Cross multiply
    46,687.88x = 64,427.30 × 25,465.88
  4. Step 4: Simplify right side
    46,687.88x = 1,640,697,890.52
  5. Step 5: Solve for x
    x = 1,640,697,890.52/46,687.88
  6. Step 6: Final answer
    x = 35,141.84

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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.