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Finding the Fourth Proportional to 8,536.30, 12,806.16 and 3,605.92

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Solution

The fourth proportional to 8,536.30, 12,806.16 and 3,605.92 is: 5,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.30 : 12,806.16 = 3,605.92 : x
  2. Step 2: Convert to fraction form
    8,536.30/12,806.16 = 3,605.92/x
  3. Step 3: Cross multiply
    8,536.30x = 12,806.16 × 3,605.92
  4. Step 4: Simplify right side
    8,536.30x = 46,177,988.47
  5. Step 5: Solve for x
    x = 46,177,988.47/8,536.30
  6. Step 6: Final answer
    x = 5,409.60

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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.