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Finding the Fourth Proportional to 84,713.54, 116,904.78 and 46,987.80

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Solution

The fourth proportional to 84,713.54, 116,904.78 and 46,987.80 is: 64,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,713.54 : 116,904.78 = 46,987.80 : x
  2. Step 2: Convert to fraction form
    84,713.54/116,904.78 = 46,987.80/x
  3. Step 3: Cross multiply
    84,713.54x = 116,904.78 × 46,987.80
  4. Step 4: Simplify right side
    84,713.54x = 5,493,098,421.68
  5. Step 5: Solve for x
    x = 5,493,098,421.68/84,713.54
  6. Step 6: Final answer
    x = 64,843.22

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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.