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Finding the Fourth Proportional to 46,858, 64,665 and 25,637.72

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Solution

The fourth proportional to 46,858, 64,665 and 25,637.72 is: 35,380.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,858 : 64,665 = 25,637.72 : x
  2. Step 2: Convert to fraction form
    46,858/64,665 = 25,637.72/x
  3. Step 3: Cross multiply
    46,858x = 64,665 × 25,637.72
  4. Step 4: Simplify right side
    46,858x = 1,657,863,163.80
  5. Step 5: Solve for x
    x = 1,657,863,163.80/46,858
  6. Step 6: Final answer
    x = 35,380.58

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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.