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Finding the Fourth Proportional to 60,581.95, 90,887.30 and 19,028.95

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Solution

The fourth proportional to 60,581.95, 90,887.30 and 19,028.95 is: 28,547.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,581.95 : 90,887.30 = 19,028.95 : x
  2. Step 2: Convert to fraction form
    60,581.95/90,887.30 = 19,028.95/x
  3. Step 3: Cross multiply
    60,581.95x = 90,887.30 × 19,028.95
  4. Step 4: Simplify right side
    60,581.95x = 1,729,489,887.34
  5. Step 5: Solve for x
    x = 1,729,489,887.34/60,581.95
  6. Step 6: Final answer
    x = 28,547.94

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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.