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Finding the Fourth Proportional to 61,339.74, 92,009.49 and 19,223.05

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Solution

The fourth proportional to 61,339.74, 92,009.49 and 19,223.05 is: 28,834.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,339.74 : 92,009.49 = 19,223.05 : x
  2. Step 2: Convert to fraction form
    61,339.74/92,009.49 = 19,223.05/x
  3. Step 3: Cross multiply
    61,339.74x = 92,009.49 × 19,223.05
  4. Step 4: Simplify right side
    61,339.74x = 1,768,702,566.70
  5. Step 5: Solve for x
    x = 1,768,702,566.70/61,339.74
  6. Step 6: Final answer
    x = 28,834.53

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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.