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Finding the Fourth Proportional to 36,457.40, 50,314.76 and 21,349.12

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Solution

The fourth proportional to 36,457.40, 50,314.76 and 21,349.12 is: 29,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,457.40 : 50,314.76 = 21,349.12 : x
  2. Step 2: Convert to fraction form
    36,457.40/50,314.76 = 21,349.12/x
  3. Step 3: Cross multiply
    36,457.40x = 50,314.76 × 21,349.12
  4. Step 4: Simplify right side
    36,457.40x = 1,074,175,849.01
  5. Step 5: Solve for x
    x = 1,074,175,849.01/36,457.40
  6. Step 6: Final answer
    x = 29,463.86

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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.