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Finding the Fourth Proportional to 60,549.50, 90,813.51 and 18,419.37

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Solution

The fourth proportional to 60,549.50, 90,813.51 and 18,419.37 is: 27,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,549.50 : 90,813.51 = 18,419.37 : x
  2. Step 2: Convert to fraction form
    60,549.50/90,813.51 = 18,419.37/x
  3. Step 3: Cross multiply
    60,549.50x = 90,813.51 × 18,419.37
  4. Step 4: Simplify right side
    60,549.50x = 1,672,727,641.69
  5. Step 5: Solve for x
    x = 1,672,727,641.69/60,549.50
  6. Step 6: Final answer
    x = 27,625.79

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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.