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Finding the Fourth Proportional to 5,579.04, 7,695.96 and 3,558.64

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Solution

The fourth proportional to 5,579.04, 7,695.96 and 3,558.64 is: 4,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.04 : 7,695.96 = 3,558.64 : x
  2. Step 2: Convert to fraction form
    5,579.04/7,695.96 = 3,558.64/x
  3. Step 3: Cross multiply
    5,579.04x = 7,695.96 × 3,558.64
  4. Step 4: Simplify right side
    5,579.04x = 27,387,151.09
  5. Step 5: Solve for x
    x = 27,387,151.09/5,579.04
  6. Step 6: Final answer
    x = 4,908.94

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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.