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Finding the Fourth Proportional to 8,635.58, 12,952.83 and 3,088.65

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Solution

The fourth proportional to 8,635.58, 12,952.83 and 3,088.65 is: 4,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.58 : 12,952.83 = 3,088.65 : x
  2. Step 2: Convert to fraction form
    8,635.58/12,952.83 = 3,088.65/x
  3. Step 3: Cross multiply
    8,635.58x = 12,952.83 × 3,088.65
  4. Step 4: Simplify right side
    8,635.58x = 40,006,758.38
  5. Step 5: Solve for x
    x = 40,006,758.38/8,635.58
  6. Step 6: Final answer
    x = 4,632.78

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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.