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Finding the Fourth Proportional to 6,362.39, 8,779.65 and 3,673.71

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Solution

The fourth proportional to 6,362.39, 8,779.65 and 3,673.71 is: 5,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,362.39 : 8,779.65 = 3,673.71 : x
  2. Step 2: Convert to fraction form
    6,362.39/8,779.65 = 3,673.71/x
  3. Step 3: Cross multiply
    6,362.39x = 8,779.65 × 3,673.71
  4. Step 4: Simplify right side
    6,362.39x = 32,253,888.00
  5. Step 5: Solve for x
    x = 32,253,888.00/6,362.39
  6. Step 6: Final answer
    x = 5,069.46

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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.