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Finding the Fourth Proportional to 59,388.42, 81,924.95 and 36,720.17

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Solution

The fourth proportional to 59,388.42, 81,924.95 and 36,720.17 is: 50,654.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,388.42 : 81,924.95 = 36,720.17 : x
  2. Step 2: Convert to fraction form
    59,388.42/81,924.95 = 36,720.17/x
  3. Step 3: Cross multiply
    59,388.42x = 81,924.95 × 36,720.17
  4. Step 4: Simplify right side
    59,388.42x = 3,008,298,080.64
  5. Step 5: Solve for x
    x = 3,008,298,080.64/59,388.42
  6. Step 6: Final answer
    x = 50,654.62

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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.