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Finding the Fourth Proportional to 55,329.48, 83,037.64 and 38,580.48

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Solution

The fourth proportional to 55,329.48, 83,037.64 and 38,580.48 is: 57,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,329.48 : 83,037.64 = 38,580.48 : x
  2. Step 2: Convert to fraction form
    55,329.48/83,037.64 = 38,580.48/x
  3. Step 3: Cross multiply
    55,329.48x = 83,037.64 × 38,580.48
  4. Step 4: Simplify right side
    55,329.48x = 3,203,632,009.27
  5. Step 5: Solve for x
    x = 3,203,632,009.27/55,329.48
  6. Step 6: Final answer
    x = 57,901.00

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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.