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Finding the Fourth Proportional to 6,846.70, 9,432.06 and 6,513.18

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Solution

The fourth proportional to 6,846.70, 9,432.06 and 6,513.18 is: 8,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,846.70 : 9,432.06 = 6,513.18 : x
  2. Step 2: Convert to fraction form
    6,846.70/9,432.06 = 6,513.18/x
  3. Step 3: Cross multiply
    6,846.70x = 9,432.06 × 6,513.18
  4. Step 4: Simplify right side
    6,846.70x = 61,432,704.55
  5. Step 5: Solve for x
    x = 61,432,704.55/6,846.70
  6. Step 6: Final answer
    x = 8,972.60

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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.