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Finding the Fourth Proportional to 27,306.03, 40,964.52 and 8,590.79

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Solution

The fourth proportional to 27,306.03, 40,964.52 and 8,590.79 is: 12,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,306.03 : 40,964.52 = 8,590.79 : x
  2. Step 2: Convert to fraction form
    27,306.03/40,964.52 = 8,590.79/x
  3. Step 3: Cross multiply
    27,306.03x = 40,964.52 × 8,590.79
  4. Step 4: Simplify right side
    27,306.03x = 351,917,383.95
  5. Step 5: Solve for x
    x = 351,917,383.95/27,306.03
  6. Step 6: Final answer
    x = 12,887.90

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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.