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Finding the Fourth Proportional to 37,953.44, 56,890.06 and 12,646.10

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Solution

The fourth proportional to 37,953.44, 56,890.06 and 12,646.10 is: 18,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,953.44 : 56,890.06 = 12,646.10 : x
  2. Step 2: Convert to fraction form
    37,953.44/56,890.06 = 12,646.10/x
  3. Step 3: Cross multiply
    37,953.44x = 56,890.06 × 12,646.10
  4. Step 4: Simplify right side
    37,953.44x = 719,437,498.38
  5. Step 5: Solve for x
    x = 719,437,498.38/37,953.44
  6. Step 6: Final answer
    x = 18,955.79

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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.