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Finding the Fourth Proportional to 60,719.63, 91,085.51 and 18,599.22

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Solution

The fourth proportional to 60,719.63, 91,085.51 and 18,599.22 is: 27,900.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,719.63 : 91,085.51 = 18,599.22 : x
  2. Step 2: Convert to fraction form
    60,719.63/91,085.51 = 18,599.22/x
  3. Step 3: Cross multiply
    60,719.63x = 91,085.51 × 18,599.22
  4. Step 4: Simplify right side
    60,719.63x = 1,694,119,509.05
  5. Step 5: Solve for x
    x = 1,694,119,509.05/60,719.63
  6. Step 6: Final answer
    x = 27,900.69

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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.