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Finding the Fourth Proportional to 27,307.99, 40,964.21 and 7,586.55

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Solution

The fourth proportional to 27,307.99, 40,964.21 and 7,586.55 is: 11,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.99 : 40,964.21 = 7,586.55 : x
  2. Step 2: Convert to fraction form
    27,307.99/40,964.21 = 7,586.55/x
  3. Step 3: Cross multiply
    27,307.99x = 40,964.21 × 7,586.55
  4. Step 4: Simplify right side
    27,307.99x = 310,777,017.89
  5. Step 5: Solve for x
    x = 310,777,017.89/27,307.99
  6. Step 6: Final answer
    x = 11,380.44

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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.