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Finding the Fourth Proportional to 71,085.12, 106,624.44 and 23,696.88

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Solution

The fourth proportional to 71,085.12, 106,624.44 and 23,696.88 is: 35,544.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,085.12 : 106,624.44 = 23,696.88 : x
  2. Step 2: Convert to fraction form
    71,085.12/106,624.44 = 23,696.88/x
  3. Step 3: Cross multiply
    71,085.12x = 106,624.44 × 23,696.88
  4. Step 4: Simplify right side
    71,085.12x = 2,526,666,559.75
  5. Step 5: Solve for x
    x = 2,526,666,559.75/71,085.12
  6. Step 6: Final answer
    x = 35,544.24

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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.