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Finding the Fourth Proportional to 5,763.77, 8,649.02 and 2,431.82

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Solution

The fourth proportional to 5,763.77, 8,649.02 and 2,431.82 is: 3,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,763.77 : 8,649.02 = 2,431.82 : x
  2. Step 2: Convert to fraction form
    5,763.77/8,649.02 = 2,431.82/x
  3. Step 3: Cross multiply
    5,763.77x = 8,649.02 × 2,431.82
  4. Step 4: Simplify right side
    5,763.77x = 21,032,804.41
  5. Step 5: Solve for x
    x = 21,032,804.41/5,763.77
  6. Step 6: Final answer
    x = 3,649.14

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Double scale
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1.5x scale

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.