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Finding the Fourth Proportional to 58,784.52, 88,189.56 and 19,339.68

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Solution

The fourth proportional to 58,784.52, 88,189.56 and 19,339.68 is: 29,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,784.52 : 88,189.56 = 19,339.68 : x
  2. Step 2: Convert to fraction form
    58,784.52/88,189.56 = 19,339.68/x
  3. Step 3: Cross multiply
    58,784.52x = 88,189.56 × 19,339.68
  4. Step 4: Simplify right side
    58,784.52x = 1,705,557,869.74
  5. Step 5: Solve for x
    x = 1,705,557,869.74/58,784.52
  6. Step 6: Final answer
    x = 29,013.72

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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.