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Finding the Fourth Proportional to 5,668.74, 8,502.26 and 1,509

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Solution

The fourth proportional to 5,668.74, 8,502.26 and 1,509 is: 2,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668.74 : 8,502.26 = 1,509 : x
  2. Step 2: Convert to fraction form
    5,668.74/8,502.26 = 1,509/x
  3. Step 3: Cross multiply
    5,668.74x = 8,502.26 × 1,509
  4. Step 4: Simplify right side
    5,668.74x = 12,829,910.34
  5. Step 5: Solve for x
    x = 12,829,910.34/5,668.74
  6. Step 6: Final answer
    x = 2,263.27

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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.