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Finding the Fourth Proportional to 6,330.77, 8,736.44 and 3,459.53

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Solution

The fourth proportional to 6,330.77, 8,736.44 and 3,459.53 is: 4,774.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.77 : 8,736.44 = 3,459.53 : x
  2. Step 2: Convert to fraction form
    6,330.77/8,736.44 = 3,459.53/x
  3. Step 3: Cross multiply
    6,330.77x = 8,736.44 × 3,459.53
  4. Step 4: Simplify right side
    6,330.77x = 30,223,915.29
  5. Step 5: Solve for x
    x = 30,223,915.29/6,330.77
  6. Step 6: Final answer
    x = 4,774.13

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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.