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Finding the Fourth Proportional to 46,602, 64,310.90 and 25,381.28

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Solution

The fourth proportional to 46,602, 64,310.90 and 25,381.28 is: 35,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,602 : 64,310.90 = 25,381.28 : x
  2. Step 2: Convert to fraction form
    46,602/64,310.90 = 25,381.28/x
  3. Step 3: Cross multiply
    46,602x = 64,310.90 × 25,381.28
  4. Step 4: Simplify right side
    46,602x = 1,632,292,993.82
  5. Step 5: Solve for x
    x = 1,632,292,993.82/46,602
  6. Step 6: Final answer
    x = 35,026.24

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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.