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Finding the Fourth Proportional to 46,891, 64,709.62 and 25,671.56

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Solution

The fourth proportional to 46,891, 64,709.62 and 25,671.56 is: 35,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,891 : 64,709.62 = 25,671.56 : x
  2. Step 2: Convert to fraction form
    46,891/64,709.62 = 25,671.56/x
  3. Step 3: Cross multiply
    46,891x = 64,709.62 × 25,671.56
  4. Step 4: Simplify right side
    46,891x = 1,661,196,892.41
  5. Step 5: Solve for x
    x = 1,661,196,892.41/46,891
  6. Step 6: Final answer
    x = 35,426.77

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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.