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Finding the Fourth Proportional to 6,340.12, 9,510.63 and 1,957.01

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Solution

The fourth proportional to 6,340.12, 9,510.63 and 1,957.01 is: 2,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.12 : 9,510.63 = 1,957.01 : x
  2. Step 2: Convert to fraction form
    6,340.12/9,510.63 = 1,957.01/x
  3. Step 3: Cross multiply
    6,340.12x = 9,510.63 × 1,957.01
  4. Step 4: Simplify right side
    6,340.12x = 18,612,350.46
  5. Step 5: Solve for x
    x = 18,612,350.46/6,340.12
  6. Step 6: Final answer
    x = 2,935.65

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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.