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Finding the Fourth Proportional to 8,655.07, 12,977.95 and 4,484.73

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Solution

The fourth proportional to 8,655.07, 12,977.95 and 4,484.73 is: 6,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655.07 : 12,977.95 = 4,484.73 : x
  2. Step 2: Convert to fraction form
    8,655.07/12,977.95 = 4,484.73/x
  3. Step 3: Cross multiply
    8,655.07x = 12,977.95 × 4,484.73
  4. Step 4: Simplify right side
    8,655.07x = 58,202,601.70
  5. Step 5: Solve for x
    x = 58,202,601.70/8,655.07
  6. Step 6: Final answer
    x = 6,724.68

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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.