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Finding the Fourth Proportional to 28,583.44, 42,800.64 and 23,006.32

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Solution

The fourth proportional to 28,583.44, 42,800.64 and 23,006.32 is: 34,449.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,583.44 : 42,800.64 = 23,006.32 : x
  2. Step 2: Convert to fraction form
    28,583.44/42,800.64 = 23,006.32/x
  3. Step 3: Cross multiply
    28,583.44x = 42,800.64 × 23,006.32
  4. Step 4: Simplify right side
    28,583.44x = 984,685,220.04
  5. Step 5: Solve for x
    x = 984,685,220.04/28,583.44
  6. Step 6: Final answer
    x = 34,449.50

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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.