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Finding the Fourth Proportional to 7,668.88, 11,506.01 and 3,776.02

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Solution

The fourth proportional to 7,668.88, 11,506.01 and 3,776.02 is: 5,665.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.88 : 11,506.01 = 3,776.02 : x
  2. Step 2: Convert to fraction form
    7,668.88/11,506.01 = 3,776.02/x
  3. Step 3: Cross multiply
    7,668.88x = 11,506.01 × 3,776.02
  4. Step 4: Simplify right side
    7,668.88x = 43,446,875.79
  5. Step 5: Solve for x
    x = 43,446,875.79/7,668.88
  6. Step 6: Final answer
    x = 5,665.35

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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.