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Finding the Fourth Proportional to 40,503.09, 55,894.11 and 22,597.05

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Solution

The fourth proportional to 40,503.09, 55,894.11 and 22,597.05 is: 31,183.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,503.09 : 55,894.11 = 22,597.05 : x
  2. Step 2: Convert to fraction form
    40,503.09/55,894.11 = 22,597.05/x
  3. Step 3: Cross multiply
    40,503.09x = 55,894.11 × 22,597.05
  4. Step 4: Simplify right side
    40,503.09x = 1,263,041,998.38
  5. Step 5: Solve for x
    x = 1,263,041,998.38/40,503.09
  6. Step 6: Final answer
    x = 31,183.84

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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.