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Finding the Fourth Proportional to 2,589.62, 3,888.06 and 2,472.98

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Solution

The fourth proportional to 2,589.62, 3,888.06 and 2,472.98 is: 3,712.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589.62 : 3,888.06 = 2,472.98 : x
  2. Step 2: Convert to fraction form
    2,589.62/3,888.06 = 2,472.98/x
  3. Step 3: Cross multiply
    2,589.62x = 3,888.06 × 2,472.98
  4. Step 4: Simplify right side
    2,589.62x = 9,615,094.62
  5. Step 5: Solve for x
    x = 9,615,094.62/2,589.62
  6. Step 6: Final answer
    x = 3,712.94

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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.