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Finding the Fourth Proportional to 8,943.51, 13,410.94 and 5,246.94

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Solution

The fourth proportional to 8,943.51, 13,410.94 and 5,246.94 is: 7,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.51 : 13,410.94 = 5,246.94 : x
  2. Step 2: Convert to fraction form
    8,943.51/13,410.94 = 5,246.94/x
  3. Step 3: Cross multiply
    8,943.51x = 13,410.94 × 5,246.94
  4. Step 4: Simplify right side
    8,943.51x = 70,366,343.95
  5. Step 5: Solve for x
    x = 70,366,343.95/8,943.51
  6. Step 6: Final answer
    x = 7,867.87

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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.