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Finding the Fourth Proportional to 7,572.67, 11,342.58 and 3,668.89

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Solution

The fourth proportional to 7,572.67, 11,342.58 and 3,668.89 is: 5,495.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.67 : 11,342.58 = 3,668.89 : x
  2. Step 2: Convert to fraction form
    7,572.67/11,342.58 = 3,668.89/x
  3. Step 3: Cross multiply
    7,572.67x = 11,342.58 × 3,668.89
  4. Step 4: Simplify right side
    7,572.67x = 41,614,678.34
  5. Step 5: Solve for x
    x = 41,614,678.34/7,572.67
  6. Step 6: Final answer
    x = 5,495.38

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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.