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Finding the Fourth Proportional to 5,591.04, 7,711.44 and 5,342.88

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Solution

The fourth proportional to 5,591.04, 7,711.44 and 5,342.88 is: 7,369.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.04 : 7,711.44 = 5,342.88 : x
  2. Step 2: Convert to fraction form
    5,591.04/7,711.44 = 5,342.88/x
  3. Step 3: Cross multiply
    5,591.04x = 7,711.44 × 5,342.88
  4. Step 4: Simplify right side
    5,591.04x = 41,201,298.55
  5. Step 5: Solve for x
    x = 41,201,298.55/5,591.04
  6. Step 6: Final answer
    x = 7,369.17

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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.