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Finding the Fourth Proportional to 12,482.68, 18,714.78 and 5,901.18

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Solution

The fourth proportional to 12,482.68, 18,714.78 and 5,901.18 is: 8,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.68 : 18,714.78 = 5,901.18 : x
  2. Step 2: Convert to fraction form
    12,482.68/18,714.78 = 5,901.18/x
  3. Step 3: Cross multiply
    12,482.68x = 18,714.78 × 5,901.18
  4. Step 4: Simplify right side
    12,482.68x = 110,439,285.44
  5. Step 5: Solve for x
    x = 110,439,285.44/12,482.68
  6. Step 6: Final answer
    x = 8,847.40

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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.