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Finding the Fourth Proportional to 2,967.60, 4,097.02 and 2,639.52

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Solution

The fourth proportional to 2,967.60, 4,097.02 and 2,639.52 is: 3,644.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.60 : 4,097.02 = 2,639.52 : x
  2. Step 2: Convert to fraction form
    2,967.60/4,097.02 = 2,639.52/x
  3. Step 3: Cross multiply
    2,967.60x = 4,097.02 × 2,639.52
  4. Step 4: Simplify right side
    2,967.60x = 10,814,166.23
  5. Step 5: Solve for x
    x = 10,814,166.23/2,967.60
  6. Step 6: Final answer
    x = 3,644.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.