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Finding the Fourth Proportional to 15,862.56, 23,797.56 and 8,463.12

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Solution

The fourth proportional to 15,862.56, 23,797.56 and 8,463.12 is: 12,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,862.56 : 23,797.56 = 8,463.12 : x
  2. Step 2: Convert to fraction form
    15,862.56/23,797.56 = 8,463.12/x
  3. Step 3: Cross multiply
    15,862.56x = 23,797.56 × 8,463.12
  4. Step 4: Simplify right side
    15,862.56x = 201,401,605.99
  5. Step 5: Solve for x
    x = 201,401,605.99/15,862.56
  6. Step 6: Final answer
    x = 12,696.66

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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.