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Finding the Fourth Proportional to 62,751.60, 86,674.40 and 46,906.79

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Solution

The fourth proportional to 62,751.60, 86,674.40 and 46,906.79 is: 64,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,751.60 : 86,674.40 = 46,906.79 : x
  2. Step 2: Convert to fraction form
    62,751.60/86,674.40 = 46,906.79/x
  3. Step 3: Cross multiply
    62,751.60x = 86,674.40 × 46,906.79
  4. Step 4: Simplify right side
    62,751.60x = 4,065,617,211.27
  5. Step 5: Solve for x
    x = 4,065,617,211.27/62,751.60
  6. Step 6: Final answer
    x = 64,789.06

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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.