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Finding the Fourth Proportional to 14,559, 21,841.80 and 5,325

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Solution

The fourth proportional to 14,559, 21,841.80 and 5,325 is: 7,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,559 : 21,841.80 = 5,325 : x
  2. Step 2: Convert to fraction form
    14,559/21,841.80 = 5,325/x
  3. Step 3: Cross multiply
    14,559x = 21,841.80 × 5,325
  4. Step 4: Simplify right side
    14,559x = 116,307,585
  5. Step 5: Solve for x
    x = 116,307,585/14,559
  6. Step 6: Final answer
    x = 7,988.71

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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.