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Finding the Fourth Proportional to 6,702.38, 10,015.16 and 5,112.38

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Solution

The fourth proportional to 6,702.38, 10,015.16 and 5,112.38 is: 7,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,702.38 : 10,015.16 = 5,112.38 : x
  2. Step 2: Convert to fraction form
    6,702.38/10,015.16 = 5,112.38/x
  3. Step 3: Cross multiply
    6,702.38x = 10,015.16 × 5,112.38
  4. Step 4: Simplify right side
    6,702.38x = 51,201,303.68
  5. Step 5: Solve for x
    x = 51,201,303.68/6,702.38
  6. Step 6: Final answer
    x = 7,639.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.