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Finding the Fourth Proportional to 55,645.88, 83,479.28 and 22,368.58

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Solution

The fourth proportional to 55,645.88, 83,479.28 and 22,368.58 is: 33,557.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,645.88 : 83,479.28 = 22,368.58 : x
  2. Step 2: Convert to fraction form
    55,645.88/83,479.28 = 22,368.58/x
  3. Step 3: Cross multiply
    55,645.88x = 83,479.28 × 22,368.58
  4. Step 4: Simplify right side
    55,645.88x = 1,867,312,632.48
  5. Step 5: Solve for x
    x = 1,867,312,632.48/55,645.88
  6. Step 6: Final answer
    x = 33,557.07

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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.