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Finding the Fourth Proportional to 37,671.65, 56,505.61 and 13,983.80

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Solution

The fourth proportional to 37,671.65, 56,505.61 and 13,983.80 is: 20,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,671.65 : 56,505.61 = 13,983.80 : x
  2. Step 2: Convert to fraction form
    37,671.65/56,505.61 = 13,983.80/x
  3. Step 3: Cross multiply
    37,671.65x = 56,505.61 × 13,983.80
  4. Step 4: Simplify right side
    37,671.65x = 790,163,079.20
  5. Step 5: Solve for x
    x = 790,163,079.20/37,671.65
  6. Step 6: Final answer
    x = 20,975.01

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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.