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Finding the Fourth Proportional to 8,566.70, 12,003.10 and 8,566.70

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Solution

The fourth proportional to 8,566.70, 12,003.10 and 8,566.70 is: 12,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.70 : 12,003.10 = 8,566.70 : x
  2. Step 2: Convert to fraction form
    8,566.70/12,003.10 = 8,566.70/x
  3. Step 3: Cross multiply
    8,566.70x = 12,003.10 × 8,566.70
  4. Step 4: Simplify right side
    8,566.70x = 102,826,956.77
  5. Step 5: Solve for x
    x = 102,826,956.77/8,566.70
  6. Step 6: Final answer
    x = 12,003.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.