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Finding the Fourth Proportional to 6,463.17, 8,915.94 and 4,076.10

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Solution

The fourth proportional to 6,463.17, 8,915.94 and 4,076.10 is: 5,622.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.17 : 8,915.94 = 4,076.10 : x
  2. Step 2: Convert to fraction form
    6,463.17/8,915.94 = 4,076.10/x
  3. Step 3: Cross multiply
    6,463.17x = 8,915.94 × 4,076.10
  4. Step 4: Simplify right side
    6,463.17x = 36,342,263.03
  5. Step 5: Solve for x
    x = 36,342,263.03/6,463.17
  6. Step 6: Final answer
    x = 5,622.98

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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.