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Finding the Fourth Proportional to 12,843.16, 19,274.78 and 6,602.92

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Solution

The fourth proportional to 12,843.16, 19,274.78 and 6,602.92 is: 9,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,843.16 : 19,274.78 = 6,602.92 : x
  2. Step 2: Convert to fraction form
    12,843.16/19,274.78 = 6,602.92/x
  3. Step 3: Cross multiply
    12,843.16x = 19,274.78 × 6,602.92
  4. Step 4: Simplify right side
    12,843.16x = 127,269,830.36
  5. Step 5: Solve for x
    x = 127,269,830.36/12,843.16
  6. Step 6: Final answer
    x = 9,909.54

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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.