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Finding the Fourth Proportional to 27,900.90, 41,850.48 and 6,840.99

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Solution

The fourth proportional to 27,900.90, 41,850.48 and 6,840.99 is: 10,261.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.90 : 41,850.48 = 6,840.99 : x
  2. Step 2: Convert to fraction form
    27,900.90/41,850.48 = 6,840.99/x
  3. Step 3: Cross multiply
    27,900.90x = 41,850.48 × 6,840.99
  4. Step 4: Simplify right side
    27,900.90x = 286,298,715.18
  5. Step 5: Solve for x
    x = 286,298,715.18/27,900.90
  6. Step 6: Final answer
    x = 10,261.27

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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.