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Finding the Fourth Proportional to 8,375.63, 11,558.36 and 4,649.63

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Solution

The fourth proportional to 8,375.63, 11,558.36 and 4,649.63 is: 6,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.63 : 11,558.36 = 4,649.63 : x
  2. Step 2: Convert to fraction form
    8,375.63/11,558.36 = 4,649.63/x
  3. Step 3: Cross multiply
    8,375.63x = 11,558.36 × 4,649.63
  4. Step 4: Simplify right side
    8,375.63x = 53,742,051.24
  5. Step 5: Solve for x
    x = 53,742,051.24/8,375.63
  6. Step 6: Final answer
    x = 6,416.48

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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.