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Finding the Fourth Proportional to 4,874.88, 7,318.08 and 2,570.88

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Solution

The fourth proportional to 4,874.88, 7,318.08 and 2,570.88 is: 3,859.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.88 : 7,318.08 = 2,570.88 : x
  2. Step 2: Convert to fraction form
    4,874.88/7,318.08 = 2,570.88/x
  3. Step 3: Cross multiply
    4,874.88x = 7,318.08 × 2,570.88
  4. Step 4: Simplify right side
    4,874.88x = 18,813,905.51
  5. Step 5: Solve for x
    x = 18,813,905.51/4,874.88
  6. Step 6: Final answer
    x = 3,859.36

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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.