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Finding the Fourth Proportional to 19,293, 26,627.75 and 11,335.22

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Solution

The fourth proportional to 19,293, 26,627.75 and 11,335.22 is: 15,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,293 : 26,627.75 = 11,335.22 : x
  2. Step 2: Convert to fraction form
    19,293/26,627.75 = 11,335.22/x
  3. Step 3: Cross multiply
    19,293x = 26,627.75 × 11,335.22
  4. Step 4: Simplify right side
    19,293x = 301,831,499.26
  5. Step 5: Solve for x
    x = 301,831,499.26/19,293
  6. Step 6: Final answer
    x = 15,644.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.