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Finding the Fourth Proportional to 27,999.70, 41,950.95 and 26,250.10

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Solution

The fourth proportional to 27,999.70, 41,950.95 and 26,250.10 is: 39,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,999.70 : 41,950.95 = 26,250.10 : x
  2. Step 2: Convert to fraction form
    27,999.70/41,950.95 = 26,250.10/x
  3. Step 3: Cross multiply
    27,999.70x = 41,950.95 × 26,250.10
  4. Step 4: Simplify right side
    27,999.70x = 1,101,216,632.60
  5. Step 5: Solve for x
    x = 1,101,216,632.60/27,999.70
  6. Step 6: Final answer
    x = 39,329.59

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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.