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Finding the Fourth Proportional to 954.55, 1,433.65 and 792.26

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Solution

The fourth proportional to 954.55, 1,433.65 and 792.26 is: 1,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.55 : 1,433.65 = 792.26 : x
  2. Step 2: Convert to fraction form
    954.55/1,433.65 = 792.26/x
  3. Step 3: Cross multiply
    954.55x = 1,433.65 × 792.26
  4. Step 4: Simplify right side
    954.55x = 1,135,823.55
  5. Step 5: Solve for x
    x = 1,135,823.55/954.55
  6. Step 6: Final answer
    x = 1,189.90

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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.