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Finding the Fourth Proportional to 5,809.95, 8,713.61 and 1,649.87

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Solution

The fourth proportional to 5,809.95, 8,713.61 and 1,649.87 is: 2,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.95 : 8,713.61 = 1,649.87 : x
  2. Step 2: Convert to fraction form
    5,809.95/8,713.61 = 1,649.87/x
  3. Step 3: Cross multiply
    5,809.95x = 8,713.61 × 1,649.87
  4. Step 4: Simplify right side
    5,809.95x = 14,376,271.91
  5. Step 5: Solve for x
    x = 14,376,271.91/5,809.95
  6. Step 6: Final answer
    x = 2,474.42

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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.