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Finding the Fourth Proportional to 25,561.36, 35,263.31 and 14,946.31

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Solution

The fourth proportional to 25,561.36, 35,263.31 and 14,946.31 is: 20,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.36 : 35,263.31 = 14,946.31 : x
  2. Step 2: Convert to fraction form
    25,561.36/35,263.31 = 14,946.31/x
  3. Step 3: Cross multiply
    25,561.36x = 35,263.31 × 14,946.31
  4. Step 4: Simplify right side
    25,561.36x = 527,056,362.89
  5. Step 5: Solve for x
    x = 527,056,362.89/25,561.36
  6. Step 6: Final answer
    x = 20,619.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.