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Finding the Fourth Proportional to 27,788.90, 41,684.66 and 9,068.90

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Solution

The fourth proportional to 27,788.90, 41,684.66 and 9,068.90 is: 13,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,788.90 : 41,684.66 = 9,068.90 : x
  2. Step 2: Convert to fraction form
    27,788.90/41,684.66 = 9,068.90/x
  3. Step 3: Cross multiply
    27,788.90x = 41,684.66 × 9,068.90
  4. Step 4: Simplify right side
    27,788.90x = 378,033,759.31
  5. Step 5: Solve for x
    x = 378,033,759.31/27,788.90
  6. Step 6: Final answer
    x = 13,603.77

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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.