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Finding the Fourth Proportional to 84,615.63, 116,769.56 and 46,889.88

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Solution

The fourth proportional to 84,615.63, 116,769.56 and 46,889.88 is: 64,708.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,615.63 : 116,769.56 = 46,889.88 : x
  2. Step 2: Convert to fraction form
    84,615.63/116,769.56 = 46,889.88/x
  3. Step 3: Cross multiply
    84,615.63x = 116,769.56 × 46,889.88
  4. Step 4: Simplify right side
    84,615.63x = 5,475,310,656.05
  5. Step 5: Solve for x
    x = 5,475,310,656.05/84,615.63
  6. Step 6: Final answer
    x = 64,708.03

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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.