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Finding the Fourth Proportional to 8,768.32, 13,152.47 and 3,836.63

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Solution

The fourth proportional to 8,768.32, 13,152.47 and 3,836.63 is: 5,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.32 : 13,152.47 = 3,836.63 : x
  2. Step 2: Convert to fraction form
    8,768.32/13,152.47 = 3,836.63/x
  3. Step 3: Cross multiply
    8,768.32x = 13,152.47 × 3,836.63
  4. Step 4: Simplify right side
    8,768.32x = 50,461,174.67
  5. Step 5: Solve for x
    x = 50,461,174.67/8,768.32
  6. Step 6: Final answer
    x = 5,754.94

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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.