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Finding the Fourth Proportional to 6,339.72, 9,510.11 and 1,957.06

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Solution

The fourth proportional to 6,339.72, 9,510.11 and 1,957.06 is: 2,935.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.72 : 9,510.11 = 1,957.06 : x
  2. Step 2: Convert to fraction form
    6,339.72/9,510.11 = 1,957.06/x
  3. Step 3: Cross multiply
    6,339.72x = 9,510.11 × 1,957.06
  4. Step 4: Simplify right side
    6,339.72x = 18,611,865.32
  5. Step 5: Solve for x
    x = 18,611,865.32/6,339.72
  6. Step 6: Final answer
    x = 2,935.76

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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.