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Finding the Fourth Proportional to 19,295.52, 28,946.72 and 6,822.79

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Solution

The fourth proportional to 19,295.52, 28,946.72 and 6,822.79 is: 10,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.52 : 28,946.72 = 6,822.79 : x
  2. Step 2: Convert to fraction form
    19,295.52/28,946.72 = 6,822.79/x
  3. Step 3: Cross multiply
    19,295.52x = 28,946.72 × 6,822.79
  4. Step 4: Simplify right side
    19,295.52x = 197,497,336.44
  5. Step 5: Solve for x
    x = 197,497,336.44/19,295.52
  6. Step 6: Final answer
    x = 10,235.40

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1.5x scale

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.