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Finding the Fourth Proportional to 8,502.32, 12,753.48 and 5,579.94

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Solution

The fourth proportional to 8,502.32, 12,753.48 and 5,579.94 is: 8,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,502.32 : 12,753.48 = 5,579.94 : x
  2. Step 2: Convert to fraction form
    8,502.32/12,753.48 = 5,579.94/x
  3. Step 3: Cross multiply
    8,502.32x = 12,753.48 × 5,579.94
  4. Step 4: Simplify right side
    8,502.32x = 71,163,653.19
  5. Step 5: Solve for x
    x = 71,163,653.19/8,502.32
  6. Step 6: Final answer
    x = 8,369.91

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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.