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Finding the Fourth Proportional to 60,209.27, 90,369.95 and 30,649.23

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Solution

The fourth proportional to 60,209.27, 90,369.95 and 30,649.23 is: 46,002.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,209.27 : 90,369.95 = 30,649.23 : x
  2. Step 2: Convert to fraction form
    60,209.27/90,369.95 = 30,649.23/x
  3. Step 3: Cross multiply
    60,209.27x = 90,369.95 × 30,649.23
  4. Step 4: Simplify right side
    60,209.27x = 2,769,769,459.26
  5. Step 5: Solve for x
    x = 2,769,769,459.26/60,209.27
  6. Step 6: Final answer
    x = 46,002.37

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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.