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Finding the Fourth Proportional to 71,616.93, 107,427.20 and 19,026.33

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Solution

The fourth proportional to 71,616.93, 107,427.20 and 19,026.33 is: 28,539.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,616.93 : 107,427.20 = 19,026.33 : x
  2. Step 2: Convert to fraction form
    71,616.93/107,427.20 = 19,026.33/x
  3. Step 3: Cross multiply
    71,616.93x = 107,427.20 × 19,026.33
  4. Step 4: Simplify right side
    71,616.93x = 2,043,945,263.04
  5. Step 5: Solve for x
    x = 2,043,945,263.04/71,616.93
  6. Step 6: Final answer
    x = 28,539.97

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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.