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Finding the Fourth Proportional to 10,617.65, 14,651.08 and 5,836.81

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Solution

The fourth proportional to 10,617.65, 14,651.08 and 5,836.81 is: 8,054.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.65 : 14,651.08 = 5,836.81 : x
  2. Step 2: Convert to fraction form
    10,617.65/14,651.08 = 5,836.81/x
  3. Step 3: Cross multiply
    10,617.65x = 14,651.08 × 5,836.81
  4. Step 4: Simplify right side
    10,617.65x = 85,515,518.89
  5. Step 5: Solve for x
    x = 85,515,518.89/10,617.65
  6. Step 6: Final answer
    x = 8,054.09

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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.