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Finding the Fourth Proportional to 84,633.56, 116,795.78 and 46,390.56

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Solution

The fourth proportional to 84,633.56, 116,795.78 and 46,390.56 is: 64,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,633.56 : 116,795.78 = 46,390.56 : x
  2. Step 2: Convert to fraction form
    84,633.56/116,795.78 = 46,390.56/x
  3. Step 3: Cross multiply
    84,633.56x = 116,795.78 × 46,390.56
  4. Step 4: Simplify right side
    84,633.56x = 5,418,221,639.84
  5. Step 5: Solve for x
    x = 5,418,221,639.84/84,633.56
  6. Step 6: Final answer
    x = 64,019.78

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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.