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Finding the Fourth Proportional to 37,025.72, 55,538.64 and 12,401.72

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Solution

The fourth proportional to 37,025.72, 55,538.64 and 12,401.72 is: 18,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,025.72 : 55,538.64 = 12,401.72 : x
  2. Step 2: Convert to fraction form
    37,025.72/55,538.64 = 12,401.72/x
  3. Step 3: Cross multiply
    37,025.72x = 55,538.64 × 12,401.72
  4. Step 4: Simplify right side
    37,025.72x = 688,774,662.46
  5. Step 5: Solve for x
    x = 688,774,662.46/37,025.72
  6. Step 6: Final answer
    x = 18,602.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.