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Finding the Fourth Proportional to 60,581.03, 90,884.61 and 18,460.01

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Solution

The fourth proportional to 60,581.03, 90,884.61 and 18,460.01 is: 27,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,581.03 : 90,884.61 = 18,460.01 : x
  2. Step 2: Convert to fraction form
    60,581.03/90,884.61 = 18,460.01/x
  3. Step 3: Cross multiply
    60,581.03x = 90,884.61 × 18,460.01
  4. Step 4: Simplify right side
    60,581.03x = 1,677,731,036.66
  5. Step 5: Solve for x
    x = 1,677,731,036.66/60,581.03
  6. Step 6: Final answer
    x = 27,694.00

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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.