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Finding the Fourth Proportional to 36,457.49, 50,310.69 and 20,541.60

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Solution

The fourth proportional to 36,457.49, 50,310.69 and 20,541.60 is: 28,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,457.49 : 50,310.69 = 20,541.60 : x
  2. Step 2: Convert to fraction form
    36,457.49/50,310.69 = 20,541.60/x
  3. Step 3: Cross multiply
    36,457.49x = 50,310.69 × 20,541.60
  4. Step 4: Simplify right side
    36,457.49x = 1,033,461,992.67
  5. Step 5: Solve for x
    x = 1,033,461,992.67/36,457.49
  6. Step 6: Final answer
    x = 28,347.04

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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.