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Finding the Fourth Proportional to 37,068, 55,607.76 and 12,449.76

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Solution

The fourth proportional to 37,068, 55,607.76 and 12,449.76 is: 18,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,068 : 55,607.76 = 12,449.76 : x
  2. Step 2: Convert to fraction form
    37,068/55,607.76 = 12,449.76/x
  3. Step 3: Cross multiply
    37,068x = 55,607.76 × 12,449.76
  4. Step 4: Simplify right side
    37,068x = 692,303,266.14
  5. Step 5: Solve for x
    x = 692,303,266.14/37,068
  6. Step 6: Final answer
    x = 18,676.57

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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.