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Finding the Fourth Proportional to 27,205.70, 40,808.55 and 7,483.55

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Solution

The fourth proportional to 27,205.70, 40,808.55 and 7,483.55 is: 11,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,205.70 : 40,808.55 = 7,483.55 : x
  2. Step 2: Convert to fraction form
    27,205.70/40,808.55 = 7,483.55/x
  3. Step 3: Cross multiply
    27,205.70x = 40,808.55 × 7,483.55
  4. Step 4: Simplify right side
    27,205.70x = 305,392,824.35
  5. Step 5: Solve for x
    x = 305,392,824.35/27,205.70
  6. Step 6: Final answer
    x = 11,225.33

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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.