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Finding the Fourth Proportional to 27,209.36, 40,808.88 and 7,483.04

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Solution

The fourth proportional to 27,209.36, 40,808.88 and 7,483.04 is: 11,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,209.36 : 40,808.88 = 7,483.04 : x
  2. Step 2: Convert to fraction form
    27,209.36/40,808.88 = 7,483.04/x
  3. Step 3: Cross multiply
    27,209.36x = 40,808.88 × 7,483.04
  4. Step 4: Simplify right side
    27,209.36x = 305,374,481.40
  5. Step 5: Solve for x
    x = 305,374,481.40/27,209.36
  6. Step 6: Final answer
    x = 11,223.14

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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.