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Finding the Fourth Proportional to 60,581.44, 90,886.56 and 19,028.44

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Solution

The fourth proportional to 60,581.44, 90,886.56 and 19,028.44 is: 28,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,581.44 : 90,886.56 = 19,028.44 : x
  2. Step 2: Convert to fraction form
    60,581.44/90,886.56 = 19,028.44/x
  3. Step 3: Cross multiply
    60,581.44x = 90,886.56 × 19,028.44
  4. Step 4: Simplify right side
    60,581.44x = 1,729,429,453.77
  5. Step 5: Solve for x
    x = 1,729,429,453.77/60,581.44
  6. Step 6: Final answer
    x = 28,547.18

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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.