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Finding the Fourth Proportional to 85,969.51, 118,632.60 and 47,726.83

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Solution

The fourth proportional to 85,969.51, 118,632.60 and 47,726.83 is: 65,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,969.51 : 118,632.60 = 47,726.83 : x
  2. Step 2: Convert to fraction form
    85,969.51/118,632.60 = 47,726.83/x
  3. Step 3: Cross multiply
    85,969.51x = 118,632.60 × 47,726.83
  4. Step 4: Simplify right side
    85,969.51x = 5,661,957,932.66
  5. Step 5: Solve for x
    x = 5,661,957,932.66/85,969.51
  6. Step 6: Final answer
    x = 65,860.07

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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.