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Finding the Fourth Proportional to 58,406.92, 87,559.84 and 49,579.92

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Solution

The fourth proportional to 58,406.92, 87,559.84 and 49,579.92 is: 74,326.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,406.92 : 87,559.84 = 49,579.92 : x
  2. Step 2: Convert to fraction form
    58,406.92/87,559.84 = 49,579.92/x
  3. Step 3: Cross multiply
    58,406.92x = 87,559.84 × 49,579.92
  4. Step 4: Simplify right side
    58,406.92x = 4,341,209,862.41
  5. Step 5: Solve for x
    x = 4,341,209,862.41/58,406.92
  6. Step 6: Final answer
    x = 74,326.98

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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.