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Finding the Fourth Proportional to 27,686.43, 41,526.08 and 8,964.60

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Solution

The fourth proportional to 27,686.43, 41,526.08 and 8,964.60 is: 13,445.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,686.43 : 41,526.08 = 8,964.60 : x
  2. Step 2: Convert to fraction form
    27,686.43/41,526.08 = 8,964.60/x
  3. Step 3: Cross multiply
    27,686.43x = 41,526.08 × 8,964.60
  4. Step 4: Simplify right side
    27,686.43x = 372,264,696.77
  5. Step 5: Solve for x
    x = 372,264,696.77/27,686.43
  6. Step 6: Final answer
    x = 13,445.75

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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.