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Finding the Fourth Proportional to 60,572.44, 90,873.30 and 19,019.44

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Solution

The fourth proportional to 60,572.44, 90,873.30 and 19,019.44 is: 28,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,572.44 : 90,873.30 = 19,019.44 : x
  2. Step 2: Convert to fraction form
    60,572.44/90,873.30 = 19,019.44/x
  3. Step 3: Cross multiply
    60,572.44x = 90,873.30 × 19,019.44
  4. Step 4: Simplify right side
    60,572.44x = 1,728,358,822.59
  5. Step 5: Solve for x
    x = 1,728,358,822.59/60,572.44
  6. Step 6: Final answer
    x = 28,533.75

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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.