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Finding the Fourth Proportional to 8,566.77, 12,832.05 and 4,394.07

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Solution

The fourth proportional to 8,566.77, 12,832.05 and 4,394.07 is: 6,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.77 : 12,832.05 = 4,394.07 : x
  2. Step 2: Convert to fraction form
    8,566.77/12,832.05 = 4,394.07/x
  3. Step 3: Cross multiply
    8,566.77x = 12,832.05 × 4,394.07
  4. Step 4: Simplify right side
    8,566.77x = 56,384,925.94
  5. Step 5: Solve for x
    x = 56,384,925.94/8,566.77
  6. Step 6: Final answer
    x = 6,581.82

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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.