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Finding the Fourth Proportional to 8,519.47, 11,758.50 and 4,793.47

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Solution

The fourth proportional to 8,519.47, 11,758.50 and 4,793.47 is: 6,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.47 : 11,758.50 = 4,793.47 : x
  2. Step 2: Convert to fraction form
    8,519.47/11,758.50 = 4,793.47/x
  3. Step 3: Cross multiply
    8,519.47x = 11,758.50 × 4,793.47
  4. Step 4: Simplify right side
    8,519.47x = 56,364,017.00
  5. Step 5: Solve for x
    x = 56,364,017.00/8,519.47
  6. Step 6: Final answer
    x = 6,615.91

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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.