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Finding the Fourth Proportional to 40,428.99, 55,793.72 and 22,523.99

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Solution

The fourth proportional to 40,428.99, 55,793.72 and 22,523.99 is: 31,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428.99 : 55,793.72 = 22,523.99 : x
  2. Step 2: Convert to fraction form
    40,428.99/55,793.72 = 22,523.99/x
  3. Step 3: Cross multiply
    40,428.99x = 55,793.72 × 22,523.99
  4. Step 4: Simplify right side
    40,428.99x = 1,256,696,968.68
  5. Step 5: Solve for x
    x = 1,256,696,968.68/40,428.99
  6. Step 6: Final answer
    x = 31,084.06

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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.