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Finding the Fourth Proportional to 6,455.92, 8,912.46 and 4,568.98

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Solution

The fourth proportional to 6,455.92, 8,912.46 and 4,568.98 is: 6,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.92 : 8,912.46 = 4,568.98 : x
  2. Step 2: Convert to fraction form
    6,455.92/8,912.46 = 4,568.98/x
  3. Step 3: Cross multiply
    6,455.92x = 8,912.46 × 4,568.98
  4. Step 4: Simplify right side
    6,455.92x = 40,720,851.49
  5. Step 5: Solve for x
    x = 40,720,851.49/6,455.92
  6. Step 6: Final answer
    x = 6,307.52

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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.