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Finding the Fourth Proportional to 8,929.95, 12,323.94 and 4,951.43

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Solution

The fourth proportional to 8,929.95, 12,323.94 and 4,951.43 is: 6,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.95 : 12,323.94 = 4,951.43 : x
  2. Step 2: Convert to fraction form
    8,929.95/12,323.94 = 4,951.43/x
  3. Step 3: Cross multiply
    8,929.95x = 12,323.94 × 4,951.43
  4. Step 4: Simplify right side
    8,929.95x = 61,021,126.23
  5. Step 5: Solve for x
    x = 61,021,126.23/8,929.95
  6. Step 6: Final answer
    x = 6,833.31

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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.