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Finding the Fourth Proportional to 8,704.41, 12,011.91 and 4,927.50

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Solution

The fourth proportional to 8,704.41, 12,011.91 and 4,927.50 is: 6,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.41 : 12,011.91 = 4,927.50 : x
  2. Step 2: Convert to fraction form
    8,704.41/12,011.91 = 4,927.50/x
  3. Step 3: Cross multiply
    8,704.41x = 12,011.91 × 4,927.50
  4. Step 4: Simplify right side
    8,704.41x = 59,188,686.53
  5. Step 5: Solve for x
    x = 59,188,686.53/8,704.41
  6. Step 6: Final answer
    x = 6,799.85

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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.