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Finding the Fourth Proportional to 53,267.00, 79,879.73 and 19,968.89

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Solution

The fourth proportional to 53,267.00, 79,879.73 and 19,968.89 is: 29,945.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,267.00 : 79,879.73 = 19,968.89 : x
  2. Step 2: Convert to fraction form
    53,267.00/79,879.73 = 19,968.89/x
  3. Step 3: Cross multiply
    53,267.00x = 79,879.73 × 19,968.89
  4. Step 4: Simplify right side
    53,267.00x = 1,595,109,547.84
  5. Step 5: Solve for x
    x = 1,595,109,547.84/53,267.00
  6. Step 6: Final answer
    x = 29,945.55

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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.