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Finding the Fourth Proportional to 53,054.78, 79,583.40 and 17,504.70

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Solution

The fourth proportional to 53,054.78, 79,583.40 and 17,504.70 is: 26,257.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,054.78 : 79,583.40 = 17,504.70 : x
  2. Step 2: Convert to fraction form
    53,054.78/79,583.40 = 17,504.70/x
  3. Step 3: Cross multiply
    53,054.78x = 79,583.40 × 17,504.70
  4. Step 4: Simplify right side
    53,054.78x = 1,393,083,541.98
  5. Step 5: Solve for x
    x = 1,393,083,541.98/53,054.78
  6. Step 6: Final answer
    x = 26,257.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.