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Finding the Fourth Proportional to 19,297.91, 28,955.91 and 6,827.35

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Solution

The fourth proportional to 19,297.91, 28,955.91 and 6,827.35 is: 10,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,297.91 : 28,955.91 = 6,827.35 : x
  2. Step 2: Convert to fraction form
    19,297.91/28,955.91 = 6,827.35/x
  3. Step 3: Cross multiply
    19,297.91x = 28,955.91 × 6,827.35
  4. Step 4: Simplify right side
    19,297.91x = 197,692,132.14
  5. Step 5: Solve for x
    x = 197,692,132.14/19,297.91
  6. Step 6: Final answer
    x = 10,244.23

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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.