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Finding the Fourth Proportional to 6,636.56, 9,158.92 and 4,748.32

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Solution

The fourth proportional to 6,636.56, 9,158.92 and 4,748.32 is: 6,553.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.56 : 9,158.92 = 4,748.32 : x
  2. Step 2: Convert to fraction form
    6,636.56/9,158.92 = 4,748.32/x
  3. Step 3: Cross multiply
    6,636.56x = 9,158.92 × 4,748.32
  4. Step 4: Simplify right side
    6,636.56x = 43,489,483.01
  5. Step 5: Solve for x
    x = 43,489,483.01/6,636.56
  6. Step 6: Final answer
    x = 6,553.02

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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.