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Finding the Fourth Proportional to 5,651.04, 7,789.68 and 4,601.28

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Solution

The fourth proportional to 5,651.04, 7,789.68 and 4,601.28 is: 6,342.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.04 : 7,789.68 = 4,601.28 : x
  2. Step 2: Convert to fraction form
    5,651.04/7,789.68 = 4,601.28/x
  3. Step 3: Cross multiply
    5,651.04x = 7,789.68 × 4,601.28
  4. Step 4: Simplify right side
    5,651.04x = 35,842,498.79
  5. Step 5: Solve for x
    x = 35,842,498.79/5,651.04
  6. Step 6: Final answer
    x = 6,342.64

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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.