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Finding the Fourth Proportional to 84,591.68, 116,731.46 and 46,863.20

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Solution

The fourth proportional to 84,591.68, 116,731.46 and 46,863.20 is: 64,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,591.68 : 116,731.46 = 46,863.20 : x
  2. Step 2: Convert to fraction form
    84,591.68/116,731.46 = 46,863.20/x
  3. Step 3: Cross multiply
    84,591.68x = 116,731.46 × 46,863.20
  4. Step 4: Simplify right side
    84,591.68x = 5,470,409,756.27
  5. Step 5: Solve for x
    x = 5,470,409,756.27/84,591.68
  6. Step 6: Final answer
    x = 64,668.41

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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.