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Finding the Fourth Proportional to 60,111.60, 90,165.24 and 18,558.60

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Solution

The fourth proportional to 60,111.60, 90,165.24 and 18,558.60 is: 27,837.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,111.60 : 90,165.24 = 18,558.60 : x
  2. Step 2: Convert to fraction form
    60,111.60/90,165.24 = 18,558.60/x
  3. Step 3: Cross multiply
    60,111.60x = 90,165.24 × 18,558.60
  4. Step 4: Simplify right side
    60,111.60x = 1,673,340,623.06
  5. Step 5: Solve for x
    x = 1,673,340,623.06/60,111.60
  6. Step 6: Final answer
    x = 27,837.23

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1.5x scale

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.