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Finding the Fourth Proportional to 6,459.98, 8,914.58 and 3,627.28

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Solution

The fourth proportional to 6,459.98, 8,914.58 and 3,627.28 is: 5,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.98 : 8,914.58 = 3,627.28 : x
  2. Step 2: Convert to fraction form
    6,459.98/8,914.58 = 3,627.28/x
  3. Step 3: Cross multiply
    6,459.98x = 8,914.58 × 3,627.28
  4. Step 4: Simplify right side
    6,459.98x = 32,335,677.74
  5. Step 5: Solve for x
    x = 32,335,677.74/6,459.98
  6. Step 6: Final answer
    x = 5,005.54

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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.