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Finding the Fourth Proportional to 36,482.56, 50,345.90 and 19,715.56

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Solution

The fourth proportional to 36,482.56, 50,345.90 and 19,715.56 is: 27,207.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,482.56 : 50,345.90 = 19,715.56 : x
  2. Step 2: Convert to fraction form
    36,482.56/50,345.90 = 19,715.56/x
  3. Step 3: Cross multiply
    36,482.56x = 50,345.90 × 19,715.56
  4. Step 4: Simplify right side
    36,482.56x = 992,597,612.20
  5. Step 5: Solve for x
    x = 992,597,612.20/36,482.56
  6. Step 6: Final answer
    x = 27,207.46

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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.