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Finding the Fourth Proportional to 28,325.92, 42,487.92 and 10,795.12

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Solution

The fourth proportional to 28,325.92, 42,487.92 and 10,795.12 is: 16,192.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325.92 : 42,487.92 = 10,795.12 : x
  2. Step 2: Convert to fraction form
    28,325.92/42,487.92 = 10,795.12/x
  3. Step 3: Cross multiply
    28,325.92x = 42,487.92 × 10,795.12
  4. Step 4: Simplify right side
    28,325.92x = 458,662,194.95
  5. Step 5: Solve for x
    x = 458,662,194.95/28,325.92
  6. Step 6: Final answer
    x = 16,192.31

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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.