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Finding the Fourth Proportional to 45,807.57, 63,218.49 and 25,664.31

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Solution

The fourth proportional to 45,807.57, 63,218.49 and 25,664.31 is: 35,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,807.57 : 63,218.49 = 25,664.31 : x
  2. Step 2: Convert to fraction form
    45,807.57/63,218.49 = 25,664.31/x
  3. Step 3: Cross multiply
    45,807.57x = 63,218.49 × 25,664.31
  4. Step 4: Simplify right side
    45,807.57x = 1,622,458,925.09
  5. Step 5: Solve for x
    x = 1,622,458,925.09/45,807.57
  6. Step 6: Final answer
    x = 35,419.01

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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.