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Finding the Fourth Proportional to 60,782.78, 91,174.19 and 16,409.49

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Solution

The fourth proportional to 60,782.78, 91,174.19 and 16,409.49 is: 24,614.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,782.78 : 91,174.19 = 16,409.49 : x
  2. Step 2: Convert to fraction form
    60,782.78/91,174.19 = 16,409.49/x
  3. Step 3: Cross multiply
    60,782.78x = 91,174.19 × 16,409.49
  4. Step 4: Simplify right side
    60,782.78x = 1,496,121,959.06
  5. Step 5: Solve for x
    x = 1,496,121,959.06/60,782.78
  6. Step 6: Final answer
    x = 24,614.24

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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.