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Finding the Fourth Proportional to 6,339.54, 9,509.42 and 1,957.01

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Solution

The fourth proportional to 6,339.54, 9,509.42 and 1,957.01 is: 2,935.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.54 : 9,509.42 = 1,957.01 : x
  2. Step 2: Convert to fraction form
    6,339.54/9,509.42 = 1,957.01/x
  3. Step 3: Cross multiply
    6,339.54x = 9,509.42 × 1,957.01
  4. Step 4: Simplify right side
    6,339.54x = 18,609,972.70
  5. Step 5: Solve for x
    x = 18,609,972.70/6,339.54
  6. Step 6: Final answer
    x = 2,935.54

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Double scale
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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.