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Finding the Fourth Proportional to 27,062.73, 40,583.73 and 13,013.88

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Solution

The fourth proportional to 27,062.73, 40,583.73 and 13,013.88 is: 19,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,062.73 : 40,583.73 = 13,013.88 : x
  2. Step 2: Convert to fraction form
    27,062.73/40,583.73 = 13,013.88/x
  3. Step 3: Cross multiply
    27,062.73x = 40,583.73 × 13,013.88
  4. Step 4: Simplify right side
    27,062.73x = 528,151,792.17
  5. Step 5: Solve for x
    x = 528,151,792.17/27,062.73
  6. Step 6: Final answer
    x = 19,515.84

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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.