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Finding the Fourth Proportional to 69,637.68, 104,461.68 and 25,264.68

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Solution

The fourth proportional to 69,637.68, 104,461.68 and 25,264.68 is: 37,898.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,637.68 : 104,461.68 = 25,264.68 : x
  2. Step 2: Convert to fraction form
    69,637.68/104,461.68 = 25,264.68/x
  3. Step 3: Cross multiply
    69,637.68x = 104,461.68 × 25,264.68
  4. Step 4: Simplify right side
    69,637.68x = 2,639,190,917.46
  5. Step 5: Solve for x
    x = 2,639,190,917.46/69,637.68
  6. Step 6: Final answer
    x = 37,898.89

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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.