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Finding the Fourth Proportional to 6,352.89, 8,771.36 and 4,858.20

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Solution

The fourth proportional to 6,352.89, 8,771.36 and 4,858.20 is: 6,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,352.89 : 8,771.36 = 4,858.20 : x
  2. Step 2: Convert to fraction form
    6,352.89/8,771.36 = 4,858.20/x
  3. Step 3: Cross multiply
    6,352.89x = 8,771.36 × 4,858.20
  4. Step 4: Simplify right side
    6,352.89x = 42,613,055.23
  5. Step 5: Solve for x
    x = 42,613,055.23/6,352.89
  6. Step 6: Final answer
    x = 6,707.66

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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.