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Finding the Fourth Proportional to 14,589, 20,132.82 and 8,302.59

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Solution

The fourth proportional to 14,589, 20,132.82 and 8,302.59 is: 11,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589 : 20,132.82 = 8,302.59 : x
  2. Step 2: Convert to fraction form
    14,589/20,132.82 = 8,302.59/x
  3. Step 3: Cross multiply
    14,589x = 20,132.82 × 8,302.59
  4. Step 4: Simplify right side
    14,589x = 167,154,550.00
  5. Step 5: Solve for x
    x = 167,154,550.00/14,589
  6. Step 6: Final answer
    x = 11,457.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.