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Finding the Fourth Proportional to 3,358.02, 5,036.97 and 892.76

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Solution

The fourth proportional to 3,358.02, 5,036.97 and 892.76 is: 1,339.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.02 : 5,036.97 = 892.76 : x
  2. Step 2: Convert to fraction form
    3,358.02/5,036.97 = 892.76/x
  3. Step 3: Cross multiply
    3,358.02x = 5,036.97 × 892.76
  4. Step 4: Simplify right side
    3,358.02x = 4,496,805.34
  5. Step 5: Solve for x
    x = 4,496,805.34/3,358.02
  6. Step 6: Final answer
    x = 1,339.12

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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.