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Finding the Fourth Proportional to 55,484.88, 83,248.28 and 33,313.72

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Solution

The fourth proportional to 55,484.88, 83,248.28 and 33,313.72 is: 49,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,484.88 : 83,248.28 = 33,313.72 : x
  2. Step 2: Convert to fraction form
    55,484.88/83,248.28 = 33,313.72/x
  3. Step 3: Cross multiply
    55,484.88x = 83,248.28 × 33,313.72
  4. Step 4: Simplify right side
    55,484.88x = 2,773,309,890.40
  5. Step 5: Solve for x
    x = 2,773,309,890.40/55,484.88
  6. Step 6: Final answer
    x = 49,983.16

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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.