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Finding the Fourth Proportional to 77,491.80, 106,924.52 and 43,495.64

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Solution

The fourth proportional to 77,491.80, 106,924.52 and 43,495.64 is: 60,016.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,491.80 : 106,924.52 = 43,495.64 : x
  2. Step 2: Convert to fraction form
    77,491.80/106,924.52 = 43,495.64/x
  3. Step 3: Cross multiply
    77,491.80x = 106,924.52 × 43,495.64
  4. Step 4: Simplify right side
    77,491.80x = 4,650,750,429.09
  5. Step 5: Solve for x
    x = 4,650,750,429.09/77,491.80
  6. Step 6: Final answer
    x = 60,016.03

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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.