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Finding the Fourth Proportional to 60,563, 90,845.31 and 19,010

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Solution

The fourth proportional to 60,563, 90,845.31 and 19,010 is: 28,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,563 : 90,845.31 = 19,010 : x
  2. Step 2: Convert to fraction form
    60,563/90,845.31 = 19,010/x
  3. Step 3: Cross multiply
    60,563x = 90,845.31 × 19,010
  4. Step 4: Simplify right side
    60,563x = 1,726,969,343.10
  5. Step 5: Solve for x
    x = 1,726,969,343.10/60,563
  6. Step 6: Final answer
    x = 28,515.25

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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.