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Finding the Fourth Proportional to 27,603.92, 41,396.16 and 8,883.20

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Solution

The fourth proportional to 27,603.92, 41,396.16 and 8,883.20 is: 13,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,603.92 : 41,396.16 = 8,883.20 : x
  2. Step 2: Convert to fraction form
    27,603.92/41,396.16 = 8,883.20/x
  3. Step 3: Cross multiply
    27,603.92x = 41,396.16 × 8,883.20
  4. Step 4: Simplify right side
    27,603.92x = 367,730,368.51
  5. Step 5: Solve for x
    x = 367,730,368.51/27,603.92
  6. Step 6: Final answer
    x = 13,321.67

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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.