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Finding the Fourth Proportional to 6,152.99, 8,490.21 and 3,463.82

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Solution

The fourth proportional to 6,152.99, 8,490.21 and 3,463.82 is: 4,779.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,152.99 : 8,490.21 = 3,463.82 : x
  2. Step 2: Convert to fraction form
    6,152.99/8,490.21 = 3,463.82/x
  3. Step 3: Cross multiply
    6,152.99x = 8,490.21 × 3,463.82
  4. Step 4: Simplify right side
    6,152.99x = 29,408,499.43
  5. Step 5: Solve for x
    x = 29,408,499.43/6,152.99
  6. Step 6: Final answer
    x = 4,779.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.