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Finding the Fourth Proportional to 16,669.71, 24,994.01 and 8,347.47

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Solution

The fourth proportional to 16,669.71, 24,994.01 and 8,347.47 is: 12,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,669.71 : 24,994.01 = 8,347.47 : x
  2. Step 2: Convert to fraction form
    16,669.71/24,994.01 = 8,347.47/x
  3. Step 3: Cross multiply
    16,669.71x = 24,994.01 × 8,347.47
  4. Step 4: Simplify right side
    16,669.71x = 208,636,706.92
  5. Step 5: Solve for x
    x = 208,636,706.92/16,669.71
  6. Step 6: Final answer
    x = 12,515.92

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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.