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Finding the Fourth Proportional to 35,540.80, 49,045.02 and 19,624.90

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Solution

The fourth proportional to 35,540.80, 49,045.02 and 19,624.90 is: 27,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,540.80 : 49,045.02 = 19,624.90 : x
  2. Step 2: Convert to fraction form
    35,540.80/49,045.02 = 19,624.90/x
  3. Step 3: Cross multiply
    35,540.80x = 49,045.02 × 19,624.90
  4. Step 4: Simplify right side
    35,540.80x = 962,503,613.00
  5. Step 5: Solve for x
    x = 962,503,613.00/35,540.80
  6. Step 6: Final answer
    x = 27,081.65

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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.