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Finding the Fourth Proportional to 57,950.40, 79,990.56 and 34,075.92

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Solution

The fourth proportional to 57,950.40, 79,990.56 and 34,075.92 is: 47,035.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,950.40 : 79,990.56 = 34,075.92 : x
  2. Step 2: Convert to fraction form
    57,950.40/79,990.56 = 34,075.92/x
  3. Step 3: Cross multiply
    57,950.40x = 79,990.56 × 34,075.92
  4. Step 4: Simplify right side
    57,950.40x = 2,725,751,923.32
  5. Step 5: Solve for x
    x = 2,725,751,923.32/57,950.40
  6. Step 6: Final answer
    x = 47,035.95

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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.