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Finding the Fourth Proportional to 53,233.80, 79,785.90 and 23,620.20

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Solution

The fourth proportional to 53,233.80, 79,785.90 and 23,620.20 is: 35,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,233.80 : 79,785.90 = 23,620.20 : x
  2. Step 2: Convert to fraction form
    53,233.80/79,785.90 = 23,620.20/x
  3. Step 3: Cross multiply
    53,233.80x = 79,785.90 × 23,620.20
  4. Step 4: Simplify right side
    53,233.80x = 1,884,558,915.18
  5. Step 5: Solve for x
    x = 1,884,558,915.18/53,233.80
  6. Step 6: Final answer
    x = 35,401.55

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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.