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Finding the Fourth Proportional to 24,219.73, 36,330.05 and 6,690

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Solution

The fourth proportional to 24,219.73, 36,330.05 and 6,690 is: 10,035.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,219.73 : 36,330.05 = 6,690 : x
  2. Step 2: Convert to fraction form
    24,219.73/36,330.05 = 6,690/x
  3. Step 3: Cross multiply
    24,219.73x = 36,330.05 × 6,690
  4. Step 4: Simplify right side
    24,219.73x = 243,048,034.50
  5. Step 5: Solve for x
    x = 243,048,034.50/24,219.73
  6. Step 6: Final answer
    x = 10,035.13

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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.