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Finding the Fourth Proportional to 45,807.68, 63,213.80 and 25,664.48

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Solution

The fourth proportional to 45,807.68, 63,213.80 and 25,664.48 is: 35,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,807.68 : 63,213.80 = 25,664.48 : x
  2. Step 2: Convert to fraction form
    45,807.68/63,213.80 = 25,664.48/x
  3. Step 3: Cross multiply
    45,807.68x = 63,213.80 × 25,664.48
  4. Step 4: Simplify right side
    45,807.68x = 1,622,349,305.82
  5. Step 5: Solve for x
    x = 1,622,349,305.82/45,807.68
  6. Step 6: Final answer
    x = 35,416.54

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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.