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Finding the Fourth Proportional to 9,384.31, 14,060.90 and 6,605.15

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Solution

The fourth proportional to 9,384.31, 14,060.90 and 6,605.15 is: 9,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.31 : 14,060.90 = 6,605.15 : x
  2. Step 2: Convert to fraction form
    9,384.31/14,060.90 = 6,605.15/x
  3. Step 3: Cross multiply
    9,384.31x = 14,060.90 × 6,605.15
  4. Step 4: Simplify right side
    9,384.31x = 92,874,353.64
  5. Step 5: Solve for x
    x = 92,874,353.64/9,384.31
  6. Step 6: Final answer
    x = 9,896.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.