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Finding the Fourth Proportional to 36,643.70, 50,568.53 and 19,876.74

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Solution

The fourth proportional to 36,643.70, 50,568.53 and 19,876.74 is: 27,430.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,643.70 : 50,568.53 = 19,876.74 : x
  2. Step 2: Convert to fraction form
    36,643.70/50,568.53 = 19,876.74/x
  3. Step 3: Cross multiply
    36,643.70x = 50,568.53 × 19,876.74
  4. Step 4: Simplify right side
    36,643.70x = 1,005,137,522.99
  5. Step 5: Solve for x
    x = 1,005,137,522.99/36,643.70
  6. Step 6: Final answer
    x = 27,430.02

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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.