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Finding the Fourth Proportional to 48,559.51, 72,821.61 and 16,960.72

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Solution

The fourth proportional to 48,559.51, 72,821.61 and 16,960.72 is: 25,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,559.51 : 72,821.61 = 16,960.72 : x
  2. Step 2: Convert to fraction form
    48,559.51/72,821.61 = 16,960.72/x
  3. Step 3: Cross multiply
    48,559.51x = 72,821.61 × 16,960.72
  4. Step 4: Simplify right side
    48,559.51x = 1,235,106,937.16
  5. Step 5: Solve for x
    x = 1,235,106,937.16/48,559.51
  6. Step 6: Final answer
    x = 25,434.91

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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.