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Finding the Fourth Proportional to 46,878.28, 64,692 and 25,657.54

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Solution

The fourth proportional to 46,878.28, 64,692 and 25,657.54 is: 35,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,878.28 : 64,692 = 25,657.54 : x
  2. Step 2: Convert to fraction form
    46,878.28/64,692 = 25,657.54/x
  3. Step 3: Cross multiply
    46,878.28x = 64,692 × 25,657.54
  4. Step 4: Simplify right side
    46,878.28x = 1,659,837,415.95
  5. Step 5: Solve for x
    x = 1,659,837,415.95/46,878.28
  6. Step 6: Final answer
    x = 35,407.39

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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.