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Finding the Fourth Proportional to 60,624.48, 90,951.30 and 19,071.48

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Solution

The fourth proportional to 60,624.48, 90,951.30 and 19,071.48 is: 28,611.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,624.48 : 90,951.30 = 19,071.48 : x
  2. Step 2: Convert to fraction form
    60,624.48/90,951.30 = 19,071.48/x
  3. Step 3: Cross multiply
    60,624.48x = 90,951.30 × 19,071.48
  4. Step 4: Simplify right side
    60,624.48x = 1,734,575,898.92
  5. Step 5: Solve for x
    x = 1,734,575,898.92/60,624.48
  6. Step 6: Final answer
    x = 28,611.81

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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.