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Finding the Fourth Proportional to 34,333.68, 47,379.80 and 19,019.82

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Solution

The fourth proportional to 34,333.68, 47,379.80 and 19,019.82 is: 26,246.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,333.68 : 47,379.80 = 19,019.82 : x
  2. Step 2: Convert to fraction form
    34,333.68/47,379.80 = 19,019.82/x
  3. Step 3: Cross multiply
    34,333.68x = 47,379.80 × 19,019.82
  4. Step 4: Simplify right side
    34,333.68x = 901,155,267.64
  5. Step 5: Solve for x
    x = 901,155,267.64/34,333.68
  6. Step 6: Final answer
    x = 26,246.98

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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.