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Finding the Fourth Proportional to 6,147.83, 8,484.03 and 3,495.79

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Solution

The fourth proportional to 6,147.83, 8,484.03 and 3,495.79 is: 4,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.83 : 8,484.03 = 3,495.79 : x
  2. Step 2: Convert to fraction form
    6,147.83/8,484.03 = 3,495.79/x
  3. Step 3: Cross multiply
    6,147.83x = 8,484.03 × 3,495.79
  4. Step 4: Simplify right side
    6,147.83x = 29,658,387.23
  5. Step 5: Solve for x
    x = 29,658,387.23/6,147.83
  6. Step 6: Final answer
    x = 4,824.20

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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.