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Finding the Fourth Proportional to 12,550.68, 18,827.28 and 4,655.28

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Solution

The fourth proportional to 12,550.68, 18,827.28 and 4,655.28 is: 6,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.68 : 18,827.28 = 4,655.28 : x
  2. Step 2: Convert to fraction form
    12,550.68/18,827.28 = 4,655.28/x
  3. Step 3: Cross multiply
    12,550.68x = 18,827.28 × 4,655.28
  4. Step 4: Simplify right side
    12,550.68x = 87,646,260.04
  5. Step 5: Solve for x
    x = 87,646,260.04/12,550.68
  6. Step 6: Final answer
    x = 6,983.39

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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.