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Finding the Fourth Proportional to 34,935.55, 48,211.06 and 19,019.99

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Solution

The fourth proportional to 34,935.55, 48,211.06 and 19,019.99 is: 26,247.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,935.55 : 48,211.06 = 19,019.99 : x
  2. Step 2: Convert to fraction form
    34,935.55/48,211.06 = 19,019.99/x
  3. Step 3: Cross multiply
    34,935.55x = 48,211.06 × 19,019.99
  4. Step 4: Simplify right side
    34,935.55x = 916,973,879.09
  5. Step 5: Solve for x
    x = 916,973,879.09/34,935.55
  6. Step 6: Final answer
    x = 26,247.59

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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.