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Finding the Fourth Proportional to 18,590.58, 27,888.44 and 9,826.11

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Solution

The fourth proportional to 18,590.58, 27,888.44 and 9,826.11 is: 14,740.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.58 : 27,888.44 = 9,826.11 : x
  2. Step 2: Convert to fraction form
    18,590.58/27,888.44 = 9,826.11/x
  3. Step 3: Cross multiply
    18,590.58x = 27,888.44 × 9,826.11
  4. Step 4: Simplify right side
    18,590.58x = 274,034,830.04
  5. Step 5: Solve for x
    x = 274,034,830.04/18,590.58
  6. Step 6: Final answer
    x = 14,740.52

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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.