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Finding the Fourth Proportional to 44,545, 66,827.74 and 15,361

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Solution

The fourth proportional to 44,545, 66,827.74 and 15,361 is: 23,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,545 : 66,827.74 = 15,361 : x
  2. Step 2: Convert to fraction form
    44,545/66,827.74 = 15,361/x
  3. Step 3: Cross multiply
    44,545x = 66,827.74 × 15,361
  4. Step 4: Simplify right side
    44,545x = 1,026,540,914.14
  5. Step 5: Solve for x
    x = 1,026,540,914.14/44,545
  6. Step 6: Final answer
    x = 23,045.03

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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.