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Finding the Fourth Proportional to 55,804.57, 83,619.33 and 47,450.23

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Solution

The fourth proportional to 55,804.57, 83,619.33 and 47,450.23 is: 71,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,804.57 : 83,619.33 = 47,450.23 : x
  2. Step 2: Convert to fraction form
    55,804.57/83,619.33 = 47,450.23/x
  3. Step 3: Cross multiply
    55,804.57x = 83,619.33 × 47,450.23
  4. Step 4: Simplify right side
    55,804.57x = 3,967,756,440.95
  5. Step 5: Solve for x
    x = 3,967,756,440.95/55,804.57
  6. Step 6: Final answer
    x = 71,100.92

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1.5x scale

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.