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Finding the Fourth Proportional to 32,792.21, 45,247.60 and 18,450.05

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Solution

The fourth proportional to 32,792.21, 45,247.60 and 18,450.05 is: 25,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,792.21 : 45,247.60 = 18,450.05 : x
  2. Step 2: Convert to fraction form
    32,792.21/45,247.60 = 18,450.05/x
  3. Step 3: Cross multiply
    32,792.21x = 45,247.60 × 18,450.05
  4. Step 4: Simplify right side
    32,792.21x = 834,820,482.38
  5. Step 5: Solve for x
    x = 834,820,482.38/32,792.21
  6. Step 6: Final answer
    x = 25,457.89

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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.