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Finding the Fourth Proportional to 55,476.60, 83,217.60 and 15,495.54

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Solution

The fourth proportional to 55,476.60, 83,217.60 and 15,495.54 is: 23,244.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,476.60 : 83,217.60 = 15,495.54 : x
  2. Step 2: Convert to fraction form
    55,476.60/83,217.60 = 15,495.54/x
  3. Step 3: Cross multiply
    55,476.60x = 83,217.60 × 15,495.54
  4. Step 4: Simplify right side
    55,476.60x = 1,289,501,649.50
  5. Step 5: Solve for x
    x = 1,289,501,649.50/55,476.60
  6. Step 6: Final answer
    x = 23,244.06

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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.