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Finding the Fourth Proportional to 47,160.88, 65,078.13 and 27,776.77

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Solution

The fourth proportional to 47,160.88, 65,078.13 and 27,776.77 is: 38,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,160.88 : 65,078.13 = 27,776.77 : x
  2. Step 2: Convert to fraction form
    47,160.88/65,078.13 = 27,776.77/x
  3. Step 3: Cross multiply
    47,160.88x = 65,078.13 × 27,776.77
  4. Step 4: Simplify right side
    47,160.88x = 1,807,660,556.57
  5. Step 5: Solve for x
    x = 1,807,660,556.57/47,160.88
  6. Step 6: Final answer
    x = 38,329.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.