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Finding the Fourth Proportional to 14,093.34, 21,121.35 and 7,505.34

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Solution

The fourth proportional to 14,093.34, 21,121.35 and 7,505.34 is: 11,248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.34 : 21,121.35 = 7,505.34 : x
  2. Step 2: Convert to fraction form
    14,093.34/21,121.35 = 7,505.34/x
  3. Step 3: Cross multiply
    14,093.34x = 21,121.35 × 7,505.34
  4. Step 4: Simplify right side
    14,093.34x = 158,522,913.01
  5. Step 5: Solve for x
    x = 158,522,913.01/14,093.34
  6. Step 6: Final answer
    x = 11,248.07

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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.