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Finding the Fourth Proportional to 43,284.44, 65,030.72 and 40,894.81

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Solution

The fourth proportional to 43,284.44, 65,030.72 and 40,894.81 is: 61,440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,284.44 : 65,030.72 = 40,894.81 : x
  2. Step 2: Convert to fraction form
    43,284.44/65,030.72 = 40,894.81/x
  3. Step 3: Cross multiply
    43,284.44x = 65,030.72 × 40,894.81
  4. Step 4: Simplify right side
    43,284.44x = 2,659,418,571.51
  5. Step 5: Solve for x
    x = 2,659,418,571.51/43,284.44
  6. Step 6: Final answer
    x = 61,440.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.