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Finding the Fourth Proportional to 37,751.96, 56,634.78 and 15,553

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Solution

The fourth proportional to 37,751.96, 56,634.78 and 15,553 is: 23,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,751.96 : 56,634.78 = 15,553 : x
  2. Step 2: Convert to fraction form
    37,751.96/56,634.78 = 15,553/x
  3. Step 3: Cross multiply
    37,751.96x = 56,634.78 × 15,553
  4. Step 4: Simplify right side
    37,751.96x = 880,840,733.34
  5. Step 5: Solve for x
    x = 880,840,733.34/37,751.96
  6. Step 6: Final answer
    x = 23,332.32

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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.