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Finding the Fourth Proportional to 7,625.99, 10,520.16 and 4,791.93

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Solution

The fourth proportional to 7,625.99, 10,520.16 and 4,791.93 is: 6,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.99 : 10,520.16 = 4,791.93 : x
  2. Step 2: Convert to fraction form
    7,625.99/10,520.16 = 4,791.93/x
  3. Step 3: Cross multiply
    7,625.99x = 10,520.16 × 4,791.93
  4. Step 4: Simplify right side
    7,625.99x = 50,411,870.31
  5. Step 5: Solve for x
    x = 50,411,870.31/7,625.99
  6. Step 6: Final answer
    x = 6,610.54

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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.