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Finding the Fourth Proportional to 49,953.12, 74,865.09 and 37,374.45

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Solution

The fourth proportional to 49,953.12, 74,865.09 and 37,374.45 is: 56,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,953.12 : 74,865.09 = 37,374.45 : x
  2. Step 2: Convert to fraction form
    49,953.12/74,865.09 = 37,374.45/x
  3. Step 3: Cross multiply
    49,953.12x = 74,865.09 × 37,374.45
  4. Step 4: Simplify right side
    49,953.12x = 2,798,041,562.95
  5. Step 5: Solve for x
    x = 2,798,041,562.95/49,953.12
  6. Step 6: Final answer
    x = 56,013.35

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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.