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Finding the Fourth Proportional to 7,203.86, 9,943.21 and 4,692.86

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Solution

The fourth proportional to 7,203.86, 9,943.21 and 4,692.86 is: 6,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,203.86 : 9,943.21 = 4,692.86 : x
  2. Step 2: Convert to fraction form
    7,203.86/9,943.21 = 4,692.86/x
  3. Step 3: Cross multiply
    7,203.86x = 9,943.21 × 4,692.86
  4. Step 4: Simplify right side
    7,203.86x = 46,662,092.48
  5. Step 5: Solve for x
    x = 46,662,092.48/7,203.86
  6. Step 6: Final answer
    x = 6,477.37

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1.5x scale

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.