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Finding the Fourth Proportional to 6,307.28, 8,693.16 and 4,732.64

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Solution

The fourth proportional to 6,307.28, 8,693.16 and 4,732.64 is: 6,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.28 : 8,693.16 = 4,732.64 : x
  2. Step 2: Convert to fraction form
    6,307.28/8,693.16 = 4,732.64/x
  3. Step 3: Cross multiply
    6,307.28x = 8,693.16 × 4,732.64
  4. Step 4: Simplify right side
    6,307.28x = 41,141,596.74
  5. Step 5: Solve for x
    x = 41,141,596.74/6,307.28
  6. Step 6: Final answer
    x = 6,522.87

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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.