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Finding the Fourth Proportional to 5,237.32, 7,855.44 and 5,052.64

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Solution

The fourth proportional to 5,237.32, 7,855.44 and 5,052.64 is: 7,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.32 : 7,855.44 = 5,052.64 : x
  2. Step 2: Convert to fraction form
    5,237.32/7,855.44 = 5,052.64/x
  3. Step 3: Cross multiply
    5,237.32x = 7,855.44 × 5,052.64
  4. Step 4: Simplify right side
    5,237.32x = 39,690,710.36
  5. Step 5: Solve for x
    x = 39,690,710.36/5,237.32
  6. Step 6: Final answer
    x = 7,578.44

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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.