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Finding the Fourth Proportional to 6,214.08, 8,567.04 and 5,317.12

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Solution

The fourth proportional to 6,214.08, 8,567.04 and 5,317.12 is: 7,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,214.08 : 8,567.04 = 5,317.12 : x
  2. Step 2: Convert to fraction form
    6,214.08/8,567.04 = 5,317.12/x
  3. Step 3: Cross multiply
    6,214.08x = 8,567.04 × 5,317.12
  4. Step 4: Simplify right side
    6,214.08x = 45,551,979.72
  5. Step 5: Solve for x
    x = 45,551,979.72/6,214.08
  6. Step 6: Final answer
    x = 7,330.45

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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.