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Finding the Fourth Proportional to 19,392.89, 29,070.78 and 6,236

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Solution

The fourth proportional to 19,392.89, 29,070.78 and 6,236 is: 9,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.89 : 29,070.78 = 6,236 : x
  2. Step 2: Convert to fraction form
    19,392.89/29,070.78 = 6,236/x
  3. Step 3: Cross multiply
    19,392.89x = 29,070.78 × 6,236
  4. Step 4: Simplify right side
    19,392.89x = 181,285,384.08
  5. Step 5: Solve for x
    x = 181,285,384.08/19,392.89
  6. Step 6: Final answer
    x = 9,348.03

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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.