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Finding the Fourth Proportional to 56,491.44, 84,603.50 and 49,055.48

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Solution

The fourth proportional to 56,491.44, 84,603.50 and 49,055.48 is: 73,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,491.44 : 84,603.50 = 49,055.48 : x
  2. Step 2: Convert to fraction form
    56,491.44/84,603.50 = 49,055.48/x
  3. Step 3: Cross multiply
    56,491.44x = 84,603.50 × 49,055.48
  4. Step 4: Simplify right side
    56,491.44x = 4,150,265,302.18
  5. Step 5: Solve for x
    x = 4,150,265,302.18/56,491.44
  6. Step 6: Final answer
    x = 73,467.15

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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.