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Finding the Fourth Proportional to 6,532.79, 9,800.40 and 2,153.32

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Solution

The fourth proportional to 6,532.79, 9,800.40 and 2,153.32 is: 3,230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,532.79 : 9,800.40 = 2,153.32 : x
  2. Step 2: Convert to fraction form
    6,532.79/9,800.40 = 2,153.32/x
  3. Step 3: Cross multiply
    6,532.79x = 9,800.40 × 2,153.32
  4. Step 4: Simplify right side
    6,532.79x = 21,103,397.33
  5. Step 5: Solve for x
    x = 21,103,397.33/6,532.79
  6. Step 6: Final answer
    x = 3,230.38

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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.