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Finding the Fourth Proportional to 6,459.36, 8,914.23 and 5,059.68

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Solution

The fourth proportional to 6,459.36, 8,914.23 and 5,059.68 is: 6,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.36 : 8,914.23 = 5,059.68 : x
  2. Step 2: Convert to fraction form
    6,459.36/8,914.23 = 5,059.68/x
  3. Step 3: Cross multiply
    6,459.36x = 8,914.23 × 5,059.68
  4. Step 4: Simplify right side
    6,459.36x = 45,103,151.25
  5. Step 5: Solve for x
    x = 45,103,151.25/6,459.36
  6. Step 6: Final answer
    x = 6,982.60

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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.