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Finding the Fourth Proportional to 36,497.64, 50,368.44 and 20,581.74

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Solution

The fourth proportional to 36,497.64, 50,368.44 and 20,581.74 is: 28,403.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,497.64 : 50,368.44 = 20,581.74 : x
  2. Step 2: Convert to fraction form
    36,497.64/50,368.44 = 20,581.74/x
  3. Step 3: Cross multiply
    36,497.64x = 50,368.44 × 20,581.74
  4. Step 4: Simplify right side
    36,497.64x = 1,036,670,136.29
  5. Step 5: Solve for x
    x = 1,036,670,136.29/36,497.64
  6. Step 6: Final answer
    x = 28,403.76

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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.