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Finding the Fourth Proportional to 6,375.25, 8,795.38 and 4,700.63

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Solution

The fourth proportional to 6,375.25, 8,795.38 and 4,700.63 is: 6,485.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.25 : 8,795.38 = 4,700.63 : x
  2. Step 2: Convert to fraction form
    6,375.25/8,795.38 = 4,700.63/x
  3. Step 3: Cross multiply
    6,375.25x = 8,795.38 × 4,700.63
  4. Step 4: Simplify right side
    6,375.25x = 41,343,827.09
  5. Step 5: Solve for x
    x = 41,343,827.09/6,375.25
  6. Step 6: Final answer
    x = 6,485.05

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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.