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Finding the Fourth Proportional to 40,319, 55,640.22 and 23,552.12

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Solution

The fourth proportional to 40,319, 55,640.22 and 23,552.12 is: 32,501.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319 : 55,640.22 = 23,552.12 : x
  2. Step 2: Convert to fraction form
    40,319/55,640.22 = 23,552.12/x
  3. Step 3: Cross multiply
    40,319x = 55,640.22 × 23,552.12
  4. Step 4: Simplify right side
    40,319x = 1,310,445,138.27
  5. Step 5: Solve for x
    x = 1,310,445,138.27/40,319
  6. Step 6: Final answer
    x = 32,501.93

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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.