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Finding the Fourth Proportional to 19,188.52, 28,785.62 and 6,036.52

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Solution

The fourth proportional to 19,188.52, 28,785.62 and 6,036.52 is: 9,055.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.52 : 28,785.62 = 6,036.52 : x
  2. Step 2: Convert to fraction form
    19,188.52/28,785.62 = 6,036.52/x
  3. Step 3: Cross multiply
    19,188.52x = 28,785.62 × 6,036.52
  4. Step 4: Simplify right side
    19,188.52x = 173,764,970.84
  5. Step 5: Solve for x
    x = 173,764,970.84/19,188.52
  6. Step 6: Final answer
    x = 9,055.67

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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.