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Finding the Fourth Proportional to 84,691.55, 116,874.34 and 46,965.80

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Solution

The fourth proportional to 84,691.55, 116,874.34 and 46,965.80 is: 64,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,691.55 : 116,874.34 = 46,965.80 : x
  2. Step 2: Convert to fraction form
    84,691.55/116,874.34 = 46,965.80/x
  3. Step 3: Cross multiply
    84,691.55x = 116,874.34 × 46,965.80
  4. Step 4: Simplify right side
    84,691.55x = 5,489,097,052.34
  5. Step 5: Solve for x
    x = 5,489,097,052.34/84,691.55
  6. Step 6: Final answer
    x = 64,812.80

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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.