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Finding the Fourth Proportional to 50,771.66, 70,084.52 and 45,457.25

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Solution

The fourth proportional to 50,771.66, 70,084.52 and 45,457.25 is: 62,748.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,771.66 : 70,084.52 = 45,457.25 : x
  2. Step 2: Convert to fraction form
    50,771.66/70,084.52 = 45,457.25/x
  3. Step 3: Cross multiply
    50,771.66x = 70,084.52 × 45,457.25
  4. Step 4: Simplify right side
    50,771.66x = 3,185,848,969.06
  5. Step 5: Solve for x
    x = 3,185,848,969.06/50,771.66
  6. Step 6: Final answer
    x = 62,748.57

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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.