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Finding the Fourth Proportional to 45,807.40, 63,216.04 and 25,664.46

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Solution

The fourth proportional to 45,807.40, 63,216.04 and 25,664.46 is: 35,417.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,807.40 : 63,216.04 = 25,664.46 : x
  2. Step 2: Convert to fraction form
    45,807.40/63,216.04 = 25,664.46/x
  3. Step 3: Cross multiply
    45,807.40x = 63,216.04 × 25,664.46
  4. Step 4: Simplify right side
    45,807.40x = 1,622,405,529.94
  5. Step 5: Solve for x
    x = 1,622,405,529.94/45,807.40
  6. Step 6: Final answer
    x = 35,417.98

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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.