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Finding the Fourth Proportional to 3,358.11, 5,036.70 and 893.13

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Solution

The fourth proportional to 3,358.11, 5,036.70 and 893.13 is: 1,339.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.11 : 5,036.70 = 893.13 : x
  2. Step 2: Convert to fraction form
    3,358.11/5,036.70 = 893.13/x
  3. Step 3: Cross multiply
    3,358.11x = 5,036.70 × 893.13
  4. Step 4: Simplify right side
    3,358.11x = 4,498,427.87
  5. Step 5: Solve for x
    x = 4,498,427.87/3,358.11
  6. Step 6: Final answer
    x = 1,339.57

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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.