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Finding the Fourth Proportional to 60,575.94, 90,878.56 and 19,022.94

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Solution

The fourth proportional to 60,575.94, 90,878.56 and 19,022.94 is: 28,539.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,575.94 : 90,878.56 = 19,022.94 : x
  2. Step 2: Convert to fraction form
    60,575.94/90,878.56 = 19,022.94/x
  3. Step 3: Cross multiply
    60,575.94x = 90,878.56 × 19,022.94
  4. Step 4: Simplify right side
    60,575.94x = 1,728,777,394.17
  5. Step 5: Solve for x
    x = 1,728,777,394.17/60,575.94
  6. Step 6: Final answer
    x = 28,539.01

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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.