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Finding the Fourth Proportional to 55,953.71, 83,818.14 and 27,788.57

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Solution

The fourth proportional to 55,953.71, 83,818.14 and 27,788.57 is: 41,627.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,953.71 : 83,818.14 = 27,788.57 : x
  2. Step 2: Convert to fraction form
    55,953.71/83,818.14 = 27,788.57/x
  3. Step 3: Cross multiply
    55,953.71x = 83,818.14 × 27,788.57
  4. Step 4: Simplify right side
    55,953.71x = 2,329,186,197.99
  5. Step 5: Solve for x
    x = 2,329,186,197.99/55,953.71
  6. Step 6: Final answer
    x = 41,627.02

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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.