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Finding the Fourth Proportional to 36,700.68, 50,645.64 and 19,933.68

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Solution

The fourth proportional to 36,700.68, 50,645.64 and 19,933.68 is: 27,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700.68 : 50,645.64 = 19,933.68 : x
  2. Step 2: Convert to fraction form
    36,700.68/50,645.64 = 19,933.68/x
  3. Step 3: Cross multiply
    36,700.68x = 50,645.64 × 19,933.68
  4. Step 4: Simplify right side
    36,700.68x = 1,009,553,981.16
  5. Step 5: Solve for x
    x = 1,009,553,981.16/36,700.68
  6. Step 6: Final answer
    x = 27,507.77

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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.