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Finding the Fourth Proportional to 48,461.36, 67,065.72 and 47,295.92

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Solution

The fourth proportional to 48,461.36, 67,065.72 and 47,295.92 is: 65,452.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,461.36 : 67,065.72 = 47,295.92 : x
  2. Step 2: Convert to fraction form
    48,461.36/67,065.72 = 47,295.92/x
  3. Step 3: Cross multiply
    48,461.36x = 67,065.72 × 47,295.92
  4. Step 4: Simplify right side
    48,461.36x = 3,171,934,927.86
  5. Step 5: Solve for x
    x = 3,171,934,927.86/48,461.36
  6. Step 6: Final answer
    x = 65,452.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.