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Finding the Fourth Proportional to 60,624.32, 90,951.11 and 19,071.32

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Solution

The fourth proportional to 60,624.32, 90,951.11 and 19,071.32 is: 28,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,624.32 : 90,951.11 = 19,071.32 : x
  2. Step 2: Convert to fraction form
    60,624.32/90,951.11 = 19,071.32/x
  3. Step 3: Cross multiply
    60,624.32x = 90,951.11 × 19,071.32
  4. Step 4: Simplify right side
    60,624.32x = 1,734,557,627.81
  5. Step 5: Solve for x
    x = 1,734,557,627.81/60,624.32
  6. Step 6: Final answer
    x = 28,611.58

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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.