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Finding the Fourth Proportional to 6,153.49, 8,490.90 and 3,464.32

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Solution

The fourth proportional to 6,153.49, 8,490.90 and 3,464.32 is: 4,780.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.49 : 8,490.90 = 3,464.32 : x
  2. Step 2: Convert to fraction form
    6,153.49/8,490.90 = 3,464.32/x
  3. Step 3: Cross multiply
    6,153.49x = 8,490.90 × 3,464.32
  4. Step 4: Simplify right side
    6,153.49x = 29,415,134.91
  5. Step 5: Solve for x
    x = 29,415,134.91/6,153.49
  6. Step 6: Final answer
    x = 4,780.24

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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.