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Finding the Fourth Proportional to 31,714.80, 47,485.80 and 24,802.80

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Solution

The fourth proportional to 31,714.80, 47,485.80 and 24,802.80 is: 37,136.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.80 : 47,485.80 = 24,802.80 : x
  2. Step 2: Convert to fraction form
    31,714.80/47,485.80 = 24,802.80/x
  3. Step 3: Cross multiply
    31,714.80x = 47,485.80 × 24,802.80
  4. Step 4: Simplify right side
    31,714.80x = 1,177,780,800.24
  5. Step 5: Solve for x
    x = 1,177,780,800.24/31,714.80
  6. Step 6: Final answer
    x = 37,136.63

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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.