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Finding the Fourth Proportional to 40,492.64, 55,879.90 and 23,500.20

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Solution

The fourth proportional to 40,492.64, 55,879.90 and 23,500.20 is: 32,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,492.64 : 55,879.90 = 23,500.20 : x
  2. Step 2: Convert to fraction form
    40,492.64/55,879.90 = 23,500.20/x
  3. Step 3: Cross multiply
    40,492.64x = 55,879.90 × 23,500.20
  4. Step 4: Simplify right side
    40,492.64x = 1,313,188,825.98
  5. Step 5: Solve for x
    x = 1,313,188,825.98/40,492.64
  6. Step 6: Final answer
    x = 32,430.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.