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Finding the Fourth Proportional to 67,688.68, 93,409.02 and 37,474

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Solution

The fourth proportional to 67,688.68, 93,409.02 and 37,474 is: 51,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,688.68 : 93,409.02 = 37,474 : x
  2. Step 2: Convert to fraction form
    67,688.68/93,409.02 = 37,474/x
  3. Step 3: Cross multiply
    67,688.68x = 93,409.02 × 37,474
  4. Step 4: Simplify right side
    67,688.68x = 3,500,409,615.48
  5. Step 5: Solve for x
    x = 3,500,409,615.48/67,688.68
  6. Step 6: Final answer
    x = 51,713.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.