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Finding the Fourth Proportional to 64,062.63, 96,015.96 and 45,347.97

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Solution

The fourth proportional to 64,062.63, 96,015.96 and 45,347.97 is: 67,966.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,062.63 : 96,015.96 = 45,347.97 : x
  2. Step 2: Convert to fraction form
    64,062.63/96,015.96 = 45,347.97/x
  3. Step 3: Cross multiply
    64,062.63x = 96,015.96 × 45,347.97
  4. Step 4: Simplify right side
    64,062.63x = 4,354,128,873.60
  5. Step 5: Solve for x
    x = 4,354,128,873.60/64,062.63
  6. Step 6: Final answer
    x = 67,966.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.