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Finding the Fourth Proportional to 14,572.74, 21,839.76 and 5,802.84

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Solution

The fourth proportional to 14,572.74, 21,839.76 and 5,802.84 is: 8,696.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.74 : 21,839.76 = 5,802.84 : x
  2. Step 2: Convert to fraction form
    14,572.74/21,839.76 = 5,802.84/x
  3. Step 3: Cross multiply
    14,572.74x = 21,839.76 × 5,802.84
  4. Step 4: Simplify right side
    14,572.74x = 126,732,632.92
  5. Step 5: Solve for x
    x = 126,732,632.92/14,572.74
  6. Step 6: Final answer
    x = 8,696.55

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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.