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Finding the Fourth Proportional to 8,315.96, 12,473.46 and 5,028.17

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Solution

The fourth proportional to 8,315.96, 12,473.46 and 5,028.17 is: 7,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,315.96 : 12,473.46 = 5,028.17 : x
  2. Step 2: Convert to fraction form
    8,315.96/12,473.46 = 5,028.17/x
  3. Step 3: Cross multiply
    8,315.96x = 12,473.46 × 5,028.17
  4. Step 4: Simplify right side
    8,315.96x = 62,718,615.00
  5. Step 5: Solve for x
    x = 62,718,615.00/8,315.96
  6. Step 6: Final answer
    x = 7,541.96

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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.