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Finding the Fourth Proportional to 12,893.25, 19,348.52 and 4,685.25

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Solution

The fourth proportional to 12,893.25, 19,348.52 and 4,685.25 is: 7,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.25 : 19,348.52 = 4,685.25 : x
  2. Step 2: Convert to fraction form
    12,893.25/19,348.52 = 4,685.25/x
  3. Step 3: Cross multiply
    12,893.25x = 19,348.52 × 4,685.25
  4. Step 4: Simplify right side
    12,893.25x = 90,652,653.33
  5. Step 5: Solve for x
    x = 90,652,653.33/12,893.25
  6. Step 6: Final answer
    x = 7,031.02

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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.