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Finding the Fourth Proportional to 45,341.69, 68,017.71 and 12,063.11

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Solution

The fourth proportional to 45,341.69, 68,017.71 and 12,063.11 is: 18,096.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,341.69 : 68,017.71 = 12,063.11 : x
  2. Step 2: Convert to fraction form
    45,341.69/68,017.71 = 12,063.11/x
  3. Step 3: Cross multiply
    45,341.69x = 68,017.71 × 12,063.11
  4. Step 4: Simplify right side
    45,341.69x = 820,505,117.68
  5. Step 5: Solve for x
    x = 820,505,117.68/45,341.69
  6. Step 6: Final answer
    x = 18,096.04

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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.