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Finding the Fourth Proportional to 14,559.48, 21,843 and 4,172.04

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Solution

The fourth proportional to 14,559.48, 21,843 and 4,172.04 is: 6,259.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559.48 : 21,843 = 4,172.04 : x
  2. Step 2: Convert to fraction form
    14,559.48/21,843 = 4,172.04/x
  3. Step 3: Cross multiply
    14,559.48x = 21,843 × 4,172.04
  4. Step 4: Simplify right side
    14,559.48x = 91,129,869.72
  5. Step 5: Solve for x
    x = 91,129,869.72/14,559.48
  6. Step 6: Final answer
    x = 6,259.14

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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.