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Finding the Fourth Proportional to 14,589, 21,881.91 and 4,725.63

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Solution

The fourth proportional to 14,589, 21,881.91 and 4,725.63 is: 7,087.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589 : 21,881.91 = 4,725.63 : x
  2. Step 2: Convert to fraction form
    14,589/21,881.91 = 4,725.63/x
  3. Step 3: Cross multiply
    14,589x = 21,881.91 × 4,725.63
  4. Step 4: Simplify right side
    14,589x = 103,405,810.35
  5. Step 5: Solve for x
    x = 103,405,810.35/14,589
  6. Step 6: Final answer
    x = 7,087.93

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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.