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Finding the Fourth Proportional to 5,248.99, 7,872.98 and 1,738.86

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Solution

The fourth proportional to 5,248.99, 7,872.98 and 1,738.86 is: 2,608.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.99 : 7,872.98 = 1,738.86 : x
  2. Step 2: Convert to fraction form
    5,248.99/7,872.98 = 1,738.86/x
  3. Step 3: Cross multiply
    5,248.99x = 7,872.98 × 1,738.86
  4. Step 4: Simplify right side
    5,248.99x = 13,689,970.64
  5. Step 5: Solve for x
    x = 13,689,970.64/5,248.99
  6. Step 6: Final answer
    x = 2,608.12

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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.