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Finding the Fourth Proportional to 27,077.84, 40,620 and 9,544.04

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Solution

The fourth proportional to 27,077.84, 40,620 and 9,544.04 is: 14,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.84 : 40,620 = 9,544.04 : x
  2. Step 2: Convert to fraction form
    27,077.84/40,620 = 9,544.04/x
  3. Step 3: Cross multiply
    27,077.84x = 40,620 × 9,544.04
  4. Step 4: Simplify right side
    27,077.84x = 387,678,904.80
  5. Step 5: Solve for x
    x = 387,678,904.80/27,077.84
  6. Step 6: Final answer
    x = 14,317.20

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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.