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Finding the Fourth Proportional to 27,065.54, 40,582.10 and 12,064.88

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Solution

The fourth proportional to 27,065.54, 40,582.10 and 12,064.88 is: 18,090.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,065.54 : 40,582.10 = 12,064.88 : x
  2. Step 2: Convert to fraction form
    27,065.54/40,582.10 = 12,064.88/x
  3. Step 3: Cross multiply
    27,065.54x = 40,582.10 × 12,064.88
  4. Step 4: Simplify right side
    27,065.54x = 489,618,166.65
  5. Step 5: Solve for x
    x = 489,618,166.65/27,065.54
  6. Step 6: Final answer
    x = 18,090.09

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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.