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Finding the Fourth Proportional to 45,329.51, 68,005.02 and 44,576.48

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Solution

The fourth proportional to 45,329.51, 68,005.02 and 44,576.48 is: 66,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,329.51 : 68,005.02 = 44,576.48 : x
  2. Step 2: Convert to fraction form
    45,329.51/68,005.02 = 44,576.48/x
  3. Step 3: Cross multiply
    45,329.51x = 68,005.02 × 44,576.48
  4. Step 4: Simplify right side
    45,329.51x = 3,031,424,413.93
  5. Step 5: Solve for x
    x = 3,031,424,413.93/45,329.51
  6. Step 6: Final answer
    x = 66,875.30

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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.