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Finding the Fourth Proportional to 6,207.99, 8,567.86 and 5,616.14

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Solution

The fourth proportional to 6,207.99, 8,567.86 and 5,616.14 is: 7,751.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207.99 : 8,567.86 = 5,616.14 : x
  2. Step 2: Convert to fraction form
    6,207.99/8,567.86 = 5,616.14/x
  3. Step 3: Cross multiply
    6,207.99x = 8,567.86 × 5,616.14
  4. Step 4: Simplify right side
    6,207.99x = 48,118,254.91
  5. Step 5: Solve for x
    x = 48,118,254.91/6,207.99
  6. Step 6: Final answer
    x = 7,751.02

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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.