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Finding the Fourth Proportional to 18,590.06, 27,885.13 and 13,068.09

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Solution

The fourth proportional to 18,590.06, 27,885.13 and 13,068.09 is: 19,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.06 : 27,885.13 = 13,068.09 : x
  2. Step 2: Convert to fraction form
    18,590.06/27,885.13 = 13,068.09/x
  3. Step 3: Cross multiply
    18,590.06x = 27,885.13 × 13,068.09
  4. Step 4: Simplify right side
    18,590.06x = 364,405,388.50
  5. Step 5: Solve for x
    x = 364,405,388.50/18,590.06
  6. Step 6: Final answer
    x = 19,602.16

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Similar ratio
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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.