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Finding the Fourth Proportional to 44,830.92, 67,260.90 and 21,459

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Solution

The fourth proportional to 44,830.92, 67,260.90 and 21,459 is: 32,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,830.92 : 67,260.90 = 21,459 : x
  2. Step 2: Convert to fraction form
    44,830.92/67,260.90 = 21,459/x
  3. Step 3: Cross multiply
    44,830.92x = 67,260.90 × 21,459
  4. Step 4: Simplify right side
    44,830.92x = 1,443,351,653.10
  5. Step 5: Solve for x
    x = 1,443,351,653.10/44,830.92
  6. Step 6: Final answer
    x = 32,195.45

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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.