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Finding the Fourth Proportional to 36,720.19, 50,674.17 and 19,953.19

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Solution

The fourth proportional to 36,720.19, 50,674.17 and 19,953.19 is: 27,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.19 : 50,674.17 = 19,953.19 : x
  2. Step 2: Convert to fraction form
    36,720.19/50,674.17 = 19,953.19/x
  3. Step 3: Cross multiply
    36,720.19x = 50,674.17 × 19,953.19
  4. Step 4: Simplify right side
    36,720.19x = 1,011,111,242.34
  5. Step 5: Solve for x
    x = 1,011,111,242.34/36,720.19
  6. Step 6: Final answer
    x = 27,535.57

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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.