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Finding the Fourth Proportional to 12,496.86, 18,752.58 and 8,983.08

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Solution

The fourth proportional to 12,496.86, 18,752.58 and 8,983.08 is: 13,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,496.86 : 18,752.58 = 8,983.08 : x
  2. Step 2: Convert to fraction form
    12,496.86/18,752.58 = 8,983.08/x
  3. Step 3: Cross multiply
    12,496.86x = 18,752.58 × 8,983.08
  4. Step 4: Simplify right side
    12,496.86x = 168,455,926.35
  5. Step 5: Solve for x
    x = 168,455,926.35/12,496.86
  6. Step 6: Final answer
    x = 13,479.86

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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.