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Finding the Fourth Proportional to 5,451.70, 7,519.08 and 4,614.70

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Solution

The fourth proportional to 5,451.70, 7,519.08 and 4,614.70 is: 6,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.70 : 7,519.08 = 4,614.70 : x
  2. Step 2: Convert to fraction form
    5,451.70/7,519.08 = 4,614.70/x
  3. Step 3: Cross multiply
    5,451.70x = 7,519.08 × 4,614.70
  4. Step 4: Simplify right side
    5,451.70x = 34,698,298.48
  5. Step 5: Solve for x
    x = 34,698,298.48/5,451.70
  6. Step 6: Final answer
    x = 6,364.67

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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.