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Finding the Fourth Proportional to 28,605.54, 43,101.89 and 23,782.80

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Solution

The fourth proportional to 28,605.54, 43,101.89 and 23,782.80 is: 35,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.54 : 43,101.89 = 23,782.80 : x
  2. Step 2: Convert to fraction form
    28,605.54/43,101.89 = 23,782.80/x
  3. Step 3: Cross multiply
    28,605.54x = 43,101.89 × 23,782.80
  4. Step 4: Simplify right side
    28,605.54x = 1,025,083,510.58
  5. Step 5: Solve for x
    x = 1,025,083,510.58/28,605.54
  6. Step 6: Final answer
    x = 35,835.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.