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Finding the Fourth Proportional to 14,505.44, 21,722.54 and 7,085.98

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Solution

The fourth proportional to 14,505.44, 21,722.54 and 7,085.98 is: 10,611.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.44 : 21,722.54 = 7,085.98 : x
  2. Step 2: Convert to fraction form
    14,505.44/21,722.54 = 7,085.98/x
  3. Step 3: Cross multiply
    14,505.44x = 21,722.54 × 7,085.98
  4. Step 4: Simplify right side
    14,505.44x = 153,925,483.99
  5. Step 5: Solve for x
    x = 153,925,483.99/14,505.44
  6. Step 6: Final answer
    x = 10,611.57

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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.