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Finding the Fourth Proportional to 45,805.89, 63,218.81 and 25,664.14

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Solution

The fourth proportional to 45,805.89, 63,218.81 and 25,664.14 is: 35,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,805.89 : 63,218.81 = 25,664.14 : x
  2. Step 2: Convert to fraction form
    45,805.89/63,218.81 = 25,664.14/x
  3. Step 3: Cross multiply
    45,805.89x = 63,218.81 × 25,664.14
  4. Step 4: Simplify right side
    45,805.89x = 1,622,456,010.22
  5. Step 5: Solve for x
    x = 1,622,456,010.22/45,805.89
  6. Step 6: Final answer
    x = 35,420.25

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1.5x scale

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.