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Finding the Fourth Proportional to 55,756.69, 83,637.69 and 17,809.99

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Solution

The fourth proportional to 55,756.69, 83,637.69 and 17,809.99 is: 26,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,756.69 : 83,637.69 = 17,809.99 : x
  2. Step 2: Convert to fraction form
    55,756.69/83,637.69 = 17,809.99/x
  3. Step 3: Cross multiply
    55,756.69x = 83,637.69 × 17,809.99
  4. Step 4: Simplify right side
    55,756.69x = 1,489,586,422.52
  5. Step 5: Solve for x
    x = 1,489,586,422.52/55,756.69
  6. Step 6: Final answer
    x = 26,715.83

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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.