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Finding the Fourth Proportional to 15,326.84, 22,971.02 and 6,551.43

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Solution

The fourth proportional to 15,326.84, 22,971.02 and 6,551.43 is: 9,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.84 : 22,971.02 = 6,551.43 : x
  2. Step 2: Convert to fraction form
    15,326.84/22,971.02 = 6,551.43/x
  3. Step 3: Cross multiply
    15,326.84x = 22,971.02 × 6,551.43
  4. Step 4: Simplify right side
    15,326.84x = 150,492,996.80
  5. Step 5: Solve for x
    x = 150,492,996.80/15,326.84
  6. Step 6: Final answer
    x = 9,818.92

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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.