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Finding the Fourth Proportional to 55,603.64, 83,409.52 and 15,628.52

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Solution

The fourth proportional to 55,603.64, 83,409.52 and 15,628.52 is: 23,443.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,603.64 : 83,409.52 = 15,628.52 : x
  2. Step 2: Convert to fraction form
    55,603.64/83,409.52 = 15,628.52/x
  3. Step 3: Cross multiply
    55,603.64x = 83,409.52 × 15,628.52
  4. Step 4: Simplify right side
    55,603.64x = 1,303,567,351.51
  5. Step 5: Solve for x
    x = 1,303,567,351.51/55,603.64
  6. Step 6: Final answer
    x = 23,443.92

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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.