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Finding the Fourth Proportional to 34,991.76, 48,288.48 and 19,076.16

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Solution

The fourth proportional to 34,991.76, 48,288.48 and 19,076.16 is: 26,325.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,991.76 : 48,288.48 = 19,076.16 : x
  2. Step 2: Convert to fraction form
    34,991.76/48,288.48 = 19,076.16/x
  3. Step 3: Cross multiply
    34,991.76x = 48,288.48 × 19,076.16
  4. Step 4: Simplify right side
    34,991.76x = 921,158,770.64
  5. Step 5: Solve for x
    x = 921,158,770.64/34,991.76
  6. Step 6: Final answer
    x = 26,325.02

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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.