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Finding the Fourth Proportional to 28,014, 38,593.56 and 19,501.44

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Solution

The fourth proportional to 28,014, 38,593.56 and 19,501.44 is: 26,866.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,014 : 38,593.56 = 19,501.44 : x
  2. Step 2: Convert to fraction form
    28,014/38,593.56 = 19,501.44/x
  3. Step 3: Cross multiply
    28,014x = 38,593.56 × 19,501.44
  4. Step 4: Simplify right side
    28,014x = 752,629,994.73
  5. Step 5: Solve for x
    x = 752,629,994.73/28,014
  6. Step 6: Final answer
    x = 26,866.21

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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.