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Finding the Fourth Proportional to 77,950.44, 107,546.10 and 47,704.22

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Solution

The fourth proportional to 77,950.44, 107,546.10 and 47,704.22 is: 65,816.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,950.44 : 107,546.10 = 47,704.22 : x
  2. Step 2: Convert to fraction form
    77,950.44/107,546.10 = 47,704.22/x
  3. Step 3: Cross multiply
    77,950.44x = 107,546.10 × 47,704.22
  4. Step 4: Simplify right side
    77,950.44x = 5,130,402,814.54
  5. Step 5: Solve for x
    x = 5,130,402,814.54/77,950.44
  6. Step 6: Final answer
    x = 65,816.21

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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.