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Finding the Fourth Proportional to 61,339.99, 92,009.86 and 19,223.29

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Solution

The fourth proportional to 61,339.99, 92,009.86 and 19,223.29 is: 28,834.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,339.99 : 92,009.86 = 19,223.29 : x
  2. Step 2: Convert to fraction form
    61,339.99/92,009.86 = 19,223.29/x
  3. Step 3: Cross multiply
    61,339.99x = 92,009.86 × 19,223.29
  4. Step 4: Simplify right side
    61,339.99x = 1,768,732,221.64
  5. Step 5: Solve for x
    x = 1,768,732,221.64/61,339.99
  6. Step 6: Final answer
    x = 28,834.90

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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.