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Finding the Fourth Proportional to 38,593.82, 53,259.03 and 21,598.11

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Solution

The fourth proportional to 38,593.82, 53,259.03 and 21,598.11 is: 29,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,593.82 : 53,259.03 = 21,598.11 : x
  2. Step 2: Convert to fraction form
    38,593.82/53,259.03 = 21,598.11/x
  3. Step 3: Cross multiply
    38,593.82x = 53,259.03 × 21,598.11
  4. Step 4: Simplify right side
    38,593.82x = 1,150,294,388.43
  5. Step 5: Solve for x
    x = 1,150,294,388.43/38,593.82
  6. Step 6: Final answer
    x = 29,805.15

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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.