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Finding the Fourth Proportional to 28,058, 42,025.20 and 23,194.22

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Solution

The fourth proportional to 28,058, 42,025.20 and 23,194.22 is: 34,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058 : 42,025.20 = 23,194.22 : x
  2. Step 2: Convert to fraction form
    28,058/42,025.20 = 23,194.22/x
  3. Step 3: Cross multiply
    28,058x = 42,025.20 × 23,194.22
  4. Step 4: Simplify right side
    28,058x = 974,741,734.34
  5. Step 5: Solve for x
    x = 974,741,734.34/28,058
  6. Step 6: Final answer
    x = 34,740.24

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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.