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Finding the Fourth Proportional to 3,668.45, 5,502.68 and 1,476.67

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Solution

The fourth proportional to 3,668.45, 5,502.68 and 1,476.67 is: 2,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.45 : 5,502.68 = 1,476.67 : x
  2. Step 2: Convert to fraction form
    3,668.45/5,502.68 = 1,476.67/x
  3. Step 3: Cross multiply
    3,668.45x = 5,502.68 × 1,476.67
  4. Step 4: Simplify right side
    3,668.45x = 8,125,642.48
  5. Step 5: Solve for x
    x = 8,125,642.48/3,668.45
  6. Step 6: Final answer
    x = 2,215.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.