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Finding the Fourth Proportional to 7,762.73, 10,712.25 and 4,406.27

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Solution

The fourth proportional to 7,762.73, 10,712.25 and 4,406.27 is: 6,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.73 : 10,712.25 = 4,406.27 : x
  2. Step 2: Convert to fraction form
    7,762.73/10,712.25 = 4,406.27/x
  3. Step 3: Cross multiply
    7,762.73x = 10,712.25 × 4,406.27
  4. Step 4: Simplify right side
    7,762.73x = 47,201,012.25
  5. Step 5: Solve for x
    x = 47,201,012.25/7,762.73
  6. Step 6: Final answer
    x = 6,080.47

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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.