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Finding the Fourth Proportional to 8,208.62, 11,328.03 and 4,482.62

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Solution

The fourth proportional to 8,208.62, 11,328.03 and 4,482.62 is: 6,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.62 : 11,328.03 = 4,482.62 : x
  2. Step 2: Convert to fraction form
    8,208.62/11,328.03 = 4,482.62/x
  3. Step 3: Cross multiply
    8,208.62x = 11,328.03 × 4,482.62
  4. Step 4: Simplify right side
    8,208.62x = 50,779,253.84
  5. Step 5: Solve for x
    x = 50,779,253.84/8,208.62
  6. Step 6: Final answer
    x = 6,186.09

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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.