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Finding the Fourth Proportional to 83,955.64, 115,858.60 and 45,714.59

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Solution

The fourth proportional to 83,955.64, 115,858.60 and 45,714.59 is: 63,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,955.64 : 115,858.60 = 45,714.59 : x
  2. Step 2: Convert to fraction form
    83,955.64/115,858.60 = 45,714.59/x
  3. Step 3: Cross multiply
    83,955.64x = 115,858.60 × 45,714.59
  4. Step 4: Simplify right side
    83,955.64x = 5,296,428,572.33
  5. Step 5: Solve for x
    x = 5,296,428,572.33/83,955.64
  6. Step 6: Final answer
    x = 63,086.04

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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.