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Finding the Fourth Proportional to 8,601.95, 12,906.57 and 4,701.80

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Solution

The fourth proportional to 8,601.95, 12,906.57 and 4,701.80 is: 7,054.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.95 : 12,906.57 = 4,701.80 : x
  2. Step 2: Convert to fraction form
    8,601.95/12,906.57 = 4,701.80/x
  3. Step 3: Cross multiply
    8,601.95x = 12,906.57 × 4,701.80
  4. Step 4: Simplify right side
    8,601.95x = 60,684,160.72
  5. Step 5: Solve for x
    x = 60,684,160.72/8,601.95
  6. Step 6: Final answer
    x = 7,054.70

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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.