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Finding the Fourth Proportional to 48,216.48, 72,345.94 and 16,631.32

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Solution

The fourth proportional to 48,216.48, 72,345.94 and 16,631.32 is: 24,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,216.48 : 72,345.94 = 16,631.32 : x
  2. Step 2: Convert to fraction form
    48,216.48/72,345.94 = 16,631.32/x
  3. Step 3: Cross multiply
    48,216.48x = 72,345.94 × 16,631.32
  4. Step 4: Simplify right side
    48,216.48x = 1,203,208,478.84
  5. Step 5: Solve for x
    x = 1,203,208,478.84/48,216.48
  6. Step 6: Final answer
    x = 24,954.30

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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.