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Finding the Fourth Proportional to 60,492.69, 90,739.17 and 18,373.10

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Solution

The fourth proportional to 60,492.69, 90,739.17 and 18,373.10 is: 27,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,492.69 : 90,739.17 = 18,373.10 : x
  2. Step 2: Convert to fraction form
    60,492.69/90,739.17 = 18,373.10/x
  3. Step 3: Cross multiply
    60,492.69x = 90,739.17 × 18,373.10
  4. Step 4: Simplify right side
    60,492.69x = 1,667,159,390.63
  5. Step 5: Solve for x
    x = 1,667,159,390.63/60,492.69
  6. Step 6: Final answer
    x = 27,559.68

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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.