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Finding the Fourth Proportional to 35,572.79, 49,093.36 and 19,657.50

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Solution

The fourth proportional to 35,572.79, 49,093.36 and 19,657.50 is: 27,128.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,572.79 : 49,093.36 = 19,657.50 : x
  2. Step 2: Convert to fraction form
    35,572.79/49,093.36 = 19,657.50/x
  3. Step 3: Cross multiply
    35,572.79x = 49,093.36 × 19,657.50
  4. Step 4: Simplify right side
    35,572.79x = 965,052,675.06
  5. Step 5: Solve for x
    x = 965,052,675.06/35,572.79
  6. Step 6: Final answer
    x = 27,128.96

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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.