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Finding the Fourth Proportional to 58,820.80, 88,212.24 and 19,368.52

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Solution

The fourth proportional to 58,820.80, 88,212.24 and 19,368.52 is: 29,046.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,820.80 : 88,212.24 = 19,368.52 : x
  2. Step 2: Convert to fraction form
    58,820.80/88,212.24 = 19,368.52/x
  3. Step 3: Cross multiply
    58,820.80x = 88,212.24 × 19,368.52
  4. Step 4: Simplify right side
    58,820.80x = 1,708,540,534.68
  5. Step 5: Solve for x
    x = 1,708,540,534.68/58,820.80
  6. Step 6: Final answer
    x = 29,046.54

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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.