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Finding the Fourth Proportional to 46,855.80, 70,237.80 and 18,768.24

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Solution

The fourth proportional to 46,855.80, 70,237.80 and 18,768.24 is: 28,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,855.80 : 70,237.80 = 18,768.24 : x
  2. Step 2: Convert to fraction form
    46,855.80/70,237.80 = 18,768.24/x
  3. Step 3: Cross multiply
    46,855.80x = 70,237.80 × 18,768.24
  4. Step 4: Simplify right side
    46,855.80x = 1,318,239,887.47
  5. Step 5: Solve for x
    x = 1,318,239,887.47/46,855.80
  6. Step 6: Final answer
    x = 28,133.97

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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.