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Finding the Fourth Proportional to 6,459.93, 8,915.07 and 3,627.15

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Solution

The fourth proportional to 6,459.93, 8,915.07 and 3,627.15 is: 5,005.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.93 : 8,915.07 = 3,627.15 : x
  2. Step 2: Convert to fraction form
    6,459.93/8,915.07 = 3,627.15/x
  3. Step 3: Cross multiply
    6,459.93x = 8,915.07 × 3,627.15
  4. Step 4: Simplify right side
    6,459.93x = 32,336,296.15
  5. Step 5: Solve for x
    x = 32,336,296.15/6,459.93
  6. Step 6: Final answer
    x = 5,005.67

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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.