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Finding the Fourth Proportional to 37,901.70, 56,858.22 and 12,247.47

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Solution

The fourth proportional to 37,901.70, 56,858.22 and 12,247.47 is: 18,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,901.70 : 56,858.22 = 12,247.47 : x
  2. Step 2: Convert to fraction form
    37,901.70/56,858.22 = 12,247.47/x
  3. Step 3: Cross multiply
    37,901.70x = 56,858.22 × 12,247.47
  4. Step 4: Simplify right side
    37,901.70x = 696,369,343.70
  5. Step 5: Solve for x
    x = 696,369,343.70/37,901.70
  6. Step 6: Final answer
    x = 18,373.04

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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.