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Finding the Fourth Proportional to 84,720.28, 116,914.12 and 46,994.52

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Solution

The fourth proportional to 84,720.28, 116,914.12 and 46,994.52 is: 64,852.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,720.28 : 116,914.12 = 46,994.52 : x
  2. Step 2: Convert to fraction form
    84,720.28/116,914.12 = 46,994.52/x
  3. Step 3: Cross multiply
    84,720.28x = 116,914.12 × 46,994.52
  4. Step 4: Simplify right side
    84,720.28x = 5,494,322,950.62
  5. Step 5: Solve for x
    x = 5,494,322,950.62/84,720.28
  6. Step 6: Final answer
    x = 64,852.51

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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.