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Finding the Fourth Proportional to 6,207, 8,565.66 and 3,412.50

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Solution

The fourth proportional to 6,207, 8,565.66 and 3,412.50 is: 4,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207 : 8,565.66 = 3,412.50 : x
  2. Step 2: Convert to fraction form
    6,207/8,565.66 = 3,412.50/x
  3. Step 3: Cross multiply
    6,207x = 8,565.66 × 3,412.50
  4. Step 4: Simplify right side
    6,207x = 29,230,314.75
  5. Step 5: Solve for x
    x = 29,230,314.75/6,207
  6. Step 6: Final answer
    x = 4,709.25

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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.